Aphasia
Diagonal Band of Broca
Aphasia, Broca
Aphasia, Primary Progressive
Anomia
Aphasia, Conduction
Septum of Brain
Primary Progressive Nonfluent Aphasia
Septum Pellucidum
Language Tests
Speech Therapy
Language Therapy
Frontal Lobe
Agraphia
Apraxias
Septal Nuclei
Magnetic Resonance Imaging
Brain Mapping
Prosencephalon
Language Disorders
Neuropsychological Tests
Brain
Dyslexia, Acquired
Speech Production Measurement
Linguistics
Theta Rhythm
Stroke
Apraxia, Ideomotor
Names
Speech Disorders
Speech-Language Pathology
Comprehension
Frontotemporal Lobar Degeneration
Atrophy
Neurons
Frontotemporal Dementia
Temporal Lobe
Psycholinguistics
Dysarthria
Functional Laterality
Hippocampus
Communication Aids for Disabled
Gonadotropin-Releasing Hormone
Thalamic Diseases
Reproducibility of Results
Agnosia
Electrophysiological manifestations of open- and closed-class words in patients with Broca's aphasia with agrammatic comprehension. An event-related brain potential study. (1/111)
This paper presents electrophysiological data on the on-line processing of open- and closed-class words in patients with Broca's aphasia with agrammatic comprehension. Event-related brain potentials were recorded from the scalp when Broca patients and non-aphasic control subjects were visually presented with a story in which the words appeared one at a time on the screen. Separate waveforms were computed for open- and closed-class words. The non-aphasic control subjects showed clear differences between the processing of open- and closed-class words in an early (210-375 ms) and a late (400-700 ms) time-window. The early electrophysiological differences reflect the first manifestation of the availability of word-category information from the mental lexicon. The late differences presumably relate to post-lexical semantic and syntactic processing. In contrast to the control subjects, the Broca patients showed no early vocabulary class effect and only a limited late effect. The results suggest that an important factor in the agrammatic comprehension deficit of Broca's aphasics is a delayed and/or incomplete availability of word-class information. (+info)Cross-modal generalization effects of training noncanonical sentence comprehension and production in agrammatic aphasia. (2/111)
The cross-modal generalization effects of training complex sentence comprehension and complex sentence production were examined in 4 individuals with agrammatic Broca's aphasia who showed difficulty comprehending and producing complex, noncanonical sentences. Object-cleft and passive sentences were selected for treatment because the two are linguistically distinct, relying on wh-and NP movement, respectively (Chomsky, 1986). Two participants received comprehension training, and 2 received production training using linguistic specific treatment (LST). LST takes participants through a series of steps that emphasize the verb and verb argument structure, as well as the linguistic movement required to derive target sentences. A single-subject multiple-baseline design across behaviors was used to measure acquisition and generalization within and across sentence types, as well as cross-modal generalization (i.e., from comprehension to production and vice versa) and generalization to discourse. Results indicated that both treatment methods were effective for training comprehension and production of target sentences and that comprehension treatment resulted in generalization to spoken and written sentence production. Sentence production treatment generalized to written sentence production only; generalization to comprehension did not occur. Across sentence types generalization also did not occur, as predicted, and the effects of treatment on discourse were inconsistent across participants. These data are discussed with regard to models of normal sentence comprehension and production. (+info)Vascular aphasias: main characteristics of patients hospitalized in acute stroke units. (3/111)
BACKGROUND AND PURPOSE: Aphasia is frequent in stroke patients and is associated with poor prognosis. However, characteristics and determinants of vascular aphasias remain controversial. The aim of this study was to evaluate aphasia characteristics at the acute stage in patients admitted to a stroke unit. METHODS: The study was performed in 308 patients consecutively assessed with a standardized aphasia battery. RESULTS: Aphasia was observed in 207 patients; global and nonclassified aphasias accounted for 50% of aphasic syndromes at the acute stage, whereas classic aphasias (Wernicke's, Broca's, transcortical, and subcortical aphasias) were less frequent. Age differed across aphasic syndromes in ischemic stroke patients only; patients with conduction aphasia were younger, and patients with subcortical aphasia were older. Sex did not significantly differ across aphasic syndromes. The presence of a previous stroke was more frequent in nonclassified aphasia. CONCLUSIONS: This study shows (1) that vascular aphasias are frequently severe or nonclassic at the acute stage, a finding explained in part by the presence of a previous stroke; (2) that the age effect is due mainly to its influence on infarct location; and (3) that the main determinant of aphasia characteristics is lesion location. (+info)West Nile virus meningoencephalitis complicated by motor aphasia in Hodgkin's lymphoma. (4/111)
A 4 year old boy with Hodgkin's lymphoma was admitted to the paediatric ward with meningoencephalitis dominated by generalised seizures and motor aphasia. Serum IgM specific antibodies to West Nile virus were positive. In view of ongoing neurological deterioration and immunocompromised state he was treated with oral ribavirin for 14 days. A gradual improvement was noted within two weeks of therapy initiation, and with intensive supportive care he recovered completely after four months. (+info)Postictal mixed transcortical aphasia. (5/111)
Postictal aphasia has been described in left temporal lobe seizures. It may be of fluent, non-fluent or global type. We present here a patient who displayed signs of mixed transcortical aphasia (MTCA). The patient was a 67 year old man who underwent excision of a left frontal parasagittal meningioma in 1987. Since then he has been treated with phenytoin for generalized tonic-clonic seizures (GTCS). He was admitted in status epilepticus. On awakening, the patient was non-fluent with palilalia and echolalia. His repetition was relatively preserved but all the other language functions were impaired. This picture faded away within a few hours. Brain CT, performed during this postictal state, was normal except for signs related to frontal craniotomy. SPECT, which was performed after language functions returned to normal, displayed left frontal, cingular and insular hypoperfusion. The postictal language dysfunction of the patient corresponded to MTCA. Although our case has frontal, he had no other structural lesion that could explain either diffuse ischemia of the left hemisphere or watershed areas secondary to the generalized seizures. The uniqueness of this case is the combination of postictal MTCA with good prognosis. (+info)Speech production: Wernicke, Broca and beyond. (6/111)
We investigated the brain systems engaged during propositional speech (PrSp) and two forms of non- propositional speech (NPrSp): counting and reciting overlearned nursery rhymes. Bilateral cerebral and cerebellar regions were involved in the motor act of articulation, irrespective of the type of speech. Three additional, left-lateralized regions, adjacent to the Sylvian sulcus, were activated in common: the most posterior part of the supratemporal plane, the lateral part of the pars opercularis in the posterior inferior frontal gyrus and the anterior insula. Therefore, both NPrSp and PrSp were dependent on the same discrete subregions of the anatomically ill-defined areas of Wernicke and Broca. PrSp was also dependent on a predominantly left-lateralized neural system distributed between multi-modal and amodal regions in posterior inferior parietal, anterolateral and medial temporal and medial prefrontal cortex. The lateral prefrontal and paracingulate cortical activity observed in previous studies of cued word retrieval was not seen with either NPrSp or PrSp, demonstrating that normal brain- language representations cannot be inferred from explicit metalinguistic tasks. The evidence from this study indicates that normal communicative speech is dependent on a number of left hemisphere regions remote from the classic language areas of Wernicke and Broca. Destruction or disconnection of discrete left extrasylvian and perisylvian cortical regions, rather than the total extent of damage to perisylvian cortex, will account for the qualitative and quantitative differences in the impaired speech production observed in aphasic stroke patients. (+info)Selective priming of syntactic processing by event-related transcranial magnetic stimulation of Broca's area. (7/111)
It remains controversial whether Broca's aphasia is an articulatory deficit, a lexical-access problem, or agrammatism. In spite of recent neuroimaging studies, the causal link between cortical activity and linguistic subcomponents has not been elucidated. Here we report an experiment with event-related transcranial magnetic stimulation (TMS) to clarify the role of Broca's area, more specifically, the left inferior frontal gyrus (F3op/F3t), in syntactic processing. An experimental paradigm contrasted sentences requiring syntactic decisions with those requiring semantic decisions. We found selective priming effects on syntactic decisions when TMS was administered to the left F3op/F3t at a specific timing, but not to the left middle frontal gyrus (F2). Our results provide direct evidence of the involvement of the left F3op/F3t in syntactic processing. (+info)Word retrieval learning modulates right frontal cortex in patients with left frontal damage. (8/111)
Previous studies have suggested that recovery or compensation of language function after a lesion in the left hemisphere may depend on mechanisms in the right hemisphere. However, a direct relationship between performance and right hemisphere activity has not been established. Here, we show that patients with left frontal lesions and partially recovered aphasia learn, at a normal rate, a novel word retrieval task that requires the damaged cortex. Verbal learning is accompanied by specific response decrements in right frontal and right occipital cortex, strongly supporting the compensatory role of the right hemisphere. Furthermore, responses in left occipital cortex are abnormal and not modulated by practice. These findings indicate that frontal cortex is a source of top-down signals during learning. (+info)Aphasia is a medical condition that affects a person's ability to communicate. It is caused by damage to the language areas of the brain, most commonly as a result of a stroke or head injury. Aphasia can affect both spoken and written language, making it difficult for individuals to express their thoughts, understand speech, read, or write.
There are several types of aphasia, including:
1. Expressive aphasia (also called Broca's aphasia): This type of aphasia affects a person's ability to speak and write clearly. Individuals with expressive aphasia know what they want to say but have difficulty forming the words or sentences to communicate their thoughts.
2. Receptive aphasia (also called Wernicke's aphasia): This type of aphasia affects a person's ability to understand spoken or written language. Individuals with receptive aphasia may struggle to follow conversations, comprehend written texts, or make sense of the words they hear or read.
3. Global aphasia: This is the most severe form of aphasia and results from extensive damage to the language areas of the brain. People with global aphasia have significant impairments in both their ability to express themselves and understand language.
4. Anomic aphasia: This type of aphasia affects a person's ability to recall the names of objects, people, or places. Individuals with anomic aphasia can speak in complete sentences but often struggle to find the right words to convey their thoughts.
Treatment for aphasia typically involves speech and language therapy, which aims to help individuals regain as much communication ability as possible. The success of treatment depends on various factors, such as the severity and location of the brain injury, the individual's motivation and effort, and the availability of support from family members and caregivers.
The diagonal band of Broca is a nerve tract in the brain that plays a role in the sense of smell and memory. It is a wide, flat bundle of nerve fibers located in the basal forebrain, specifically in the septal area and the olfactory cortex. The diagonal band of Broca is part of the limbic system, which is involved in emotions, behavior, motivation, long-term memory, and smell.
The diagonal band of Broca contains two types of nerve cells: cholinergic neurons and GABAergic interneurons. Cholinergic neurons release the neurotransmitter acetylcholine, which is important for learning and memory processes. GABAergic interneurons release gamma-aminobutyric acid (GABA), an inhibitory neurotransmitter that helps regulate the activity of other nerve cells.
Damage to the diagonal band of Broca can result in impairments in olfaction and memory, as well as changes in behavior and emotional regulation. Certain neurological conditions, such as Alzheimer's disease and Parkinson's disease, are associated with degeneration of the cholinergic neurons in the diagonal band of Broca, which can contribute to cognitive decline and memory loss.
Broca's aphasia, also known as expressive aphasia or nonfluent aphasia, is a type of language disorder that results from damage to the brain's Broca's area, which is located in the frontal lobe of the dominant hemisphere (usually the left).
Individuals with Broca's aphasia have difficulty producing spoken or written language. They often know what they want to say but have trouble getting the words out, resulting in short and grammatically simplified sentences. Speech may be slow, laborious, and agrammatic, with limited vocabulary and poor sentence structure. Comprehension of language is typically less affected than expression, although individuals with Broca's aphasia may have difficulty understanding complex grammatical structures or following rapid speech.
It's important to note that the severity and specific symptoms of Broca's aphasia can vary depending on the extent and location of the brain damage. Rehabilitation and therapy can help improve language skills in individuals with Broca's aphasia, although recovery may be slow and limited.
Primary Progressive Aphasia (PPA) is a neurological disorder characterized by progressive loss of language capabilities, while other cognitive abilities remain preserved. It is a type of dementia that primarily affects speech and language. Unlike other forms of aphasia that result from stroke or head injury, PPA is degenerative and gets worse over time.
There are three main types of PPA:
1. Semantic Variant PPA (svPPA): This type is characterized by difficulty in understanding words and objects, despite having no trouble with the mechanics of speech or writing. Over time, people with svPPA may lose their ability to understand spoken or written language, as well as to recognize objects and faces.
2. Nonfluent/Agrammatic Variant PPA (nfvPPA): This type is characterized by difficulty with speaking and writing, including producing grammatical sentences and articulating words. People with nfvPPA may also have problems with understanding spoken language, particularly when it comes to complex sentences or ambiguous phrases.
3. Logopenic Variant PPA (lvPPA): This type is characterized by difficulty with word-finding and sentence repetition, while speech remains fluent. People with lvPPA may also have problems with understanding spoken language, particularly when it comes to complex sentences or ambiguous phrases.
The exact cause of PPA is not known, but it is believed to be related to degeneration of specific areas of the brain involved in language processing, such as Broca's area and Wernicke's area. There is currently no cure for PPA, but speech and language therapy can help to slow down the progression of the disorder and improve communication skills.
Anomia is a language disorder that affects a person's ability to name objects, places, or people. It is often caused by damage to the brain, such as from a stroke, brain injury, or neurological condition. In anomia, a person has difficulty retrieving words from their memory, and may substitute similar-sounding words, describe the object instead of naming it, or be unable to come up with a name at all. Anomia can range from mild to severe and can significantly impact a person's ability to communicate effectively.
Conduction aphasia is a type of aphasia that is characterized by an impairment in the ability to repeat spoken or written words, despite having intact comprehension and production abilities. It is caused by damage to specific areas of the brain, typically in the left hemisphere, that are involved in language repetition and transmission.
Individuals with conduction aphasia may have difficulty repeating sentences or phrases, but they can usually understand spoken and written language and produce speech relatively well. They may also make phonological errors (substituting, adding, or omitting sounds) when speaking, particularly in more complex words or sentences.
Conduction aphasia is often caused by stroke or other types of brain injury, and it can range from mild to severe in terms of its impact on communication abilities. Treatment typically involves speech-language therapy to help individuals improve their language skills and compensate for any remaining deficits.
The term "septum" in the context of the brain refers to the septal nuclei, which are a collection of neurons located in the basal forebrain. Specifically, they make up the septal area, which is part of the limbic system and plays a role in reward, reinforcement, and positive motivational states.
There isn't a structure called the "septum of brain" in medical terminology. However, there are several structures in the brain that contain a septum or have a partitioning septum within them, such as:
1. Septal nuclei (as mentioned above)
2. The nasal septum, which is a thin wall of bone and cartilage that separates the two nostrils in the nose
3. The interventricular septum, which is a thin muscular wall that separates the left and right lateral ventricles within the brain
4. The membranous septum, a part of the heart's structure that separates the left and right ventricles
Confusion might arise due to the term "septum" being used in different contexts. In this case, there is no specific medical definition for 'Septum of Brain'.
Primary Progressive Nonfluent Aphasia (PPNA) is a rare type of dementia that primarily affects language abilities. According to the National Aphasia Association, it is characterized by progressive difficulty with speaking and writing, while comprehension of single words and object knowledge remains relatively intact. The "nonfluent" descriptor refers to the hesitant, effortful, and halting speech pattern observed in individuals with this condition.
The Medical Subject Headings (MeSH) term provided by the National Library of Medicine defines PPNA as:
"A progressive aphasia characterized by agrammatism and/or anomia with relatively preserved single word comprehension and object knowledge. This condition often, but not always, begins between the sixth and seventh decades of life. As the disorder progresses, it may be accompanied by ideomotor apraxia, alien hand syndrome, and elements of corticobasal degeneration."
It is important to note that PPNA is a clinical diagnosis, and there are currently no established biomarkers or imaging techniques to definitively diagnose this condition. The underlying neuropathology may vary between individuals with PPNA, but the most common causes include frontotemporal lobar degeneration (FTLD) and corticobasal degeneration (CBD).
The Septum Pellucidum is a thin, delicate, and almost transparent partition in the brain that separates the lateral ventricles, which are fluid-filled spaces within the brain. It consists of two laminae (plates) that fuse together during fetal development, forming a single structure. The Septum Pellucidum is an essential component of the brain's ventricular system and plays a role in maintaining the structural integrity of the brain. Any abnormalities or damage to the Septum Pellucidum can lead to neurological disorders or cognitive impairments.
A language test is not a medical term per se, but it is commonly used in the field of speech-language pathology, which is a medical discipline. A language test, in this context, refers to an assessment tool used by speech-language pathologists to evaluate an individual's language abilities. These tests typically measure various aspects of language, including vocabulary, grammar, syntax, semantics, and pragmatics.
Language tests can be standardized or non-standardized and may be administered individually or in a group setting. The results of these tests help speech-language pathologists diagnose language disorders, develop treatment plans, and monitor progress over time. It is important to note that language testing should be conducted by a qualified professional who has experience in administering and interpreting language assessments.
Speech Therapy, also known as Speech-Language Pathology, is a medical field that focuses on the assessment, diagnosis, treatment, and prevention of communication and swallowing disorders in children and adults. These disorders may include speech sound production difficulties (articulation disorders or phonological processes disorders), language disorders (expressive and/or receptive language impairments), voice disorders, fluency disorders (stuttering), cognitive-communication disorders, and swallowing difficulties (dysphagia).
Speech therapists, who are also called speech-language pathologists (SLPs), work with clients to improve their communication abilities through various therapeutic techniques and exercises. They may also provide counseling and education to families and caregivers to help them support the client's communication development and management of the disorder.
Speech therapy services can be provided in a variety of settings, including hospitals, clinics, schools, private practices, and long-term care facilities. The specific goals and methods used in speech therapy will depend on the individual needs and abilities of each client.
Language therapy, also known as speech-language therapy, is a type of treatment aimed at improving an individual's communication and swallowing abilities. Speech-language pathologists (SLPs) or therapists provide this therapy to assess, diagnose, and treat a wide range of communication and swallowing disorders that can occur in people of all ages, from infants to the elderly.
Language therapy may involve working on various skills such as:
1. Expressive language: Improving the ability to express thoughts, needs, wants, and ideas through verbal, written, or other symbolic systems.
2. Receptive language: Enhancing the understanding of spoken or written language, including following directions and comprehending conversations.
3. Pragmatic or social language: Developing appropriate use of language in various social situations, such as turn-taking, topic maintenance, and making inferences.
4. Articulation and phonology: Correcting speech sound errors and improving overall speech clarity.
5. Voice and fluency: Addressing issues related to voice quality, volume, and pitch, as well as stuttering or stammering.
6. Literacy: Improving reading, writing, and spelling skills.
7. Swallowing: Evaluating and treating swallowing disorders (dysphagia) to ensure safe and efficient eating and drinking.
Language therapy often involves a combination of techniques, including exercises, drills, conversation practice, and the use of various therapeutic materials and technology. The goal of language therapy is to help individuals with communication disorders achieve optimal functional communication and swallowing abilities in their daily lives.
In the context of medicine, particularly in neurolinguistics and speech-language pathology, language is defined as a complex system of communication that involves the use of symbols (such as words, signs, or gestures) to express and exchange information. It includes various components such as phonology (sound systems), morphology (word structures), syntax (sentence structure), semantics (meaning), and pragmatics (social rules of use). Language allows individuals to convey their thoughts, feelings, and intentions, and to understand the communication of others. Disorders of language can result from damage to specific areas of the brain, leading to impairments in comprehension, production, or both.
The frontal lobe is the largest lobes of the human brain, located at the front part of each cerebral hemisphere and situated in front of the parietal and temporal lobes. It plays a crucial role in higher cognitive functions such as decision making, problem solving, planning, parts of social behavior, emotional expressions, physical reactions, and motor function. The frontal lobe is also responsible for what's known as "executive functions," which include the ability to focus attention, understand rules, switch focus, plan actions, and inhibit inappropriate behaviors. It is divided into five areas, each with its own specific functions: the primary motor cortex, premotor cortex, Broca's area, prefrontal cortex, and orbitofrontal cortex. Damage to the frontal lobe can result in a wide range of impairments, depending on the location and extent of the injury.
Agraphia is a neurological disorder that affects the ability to write, either by hand or through mechanical means like typing. It is often caused by damage to specific areas of the brain involved in language and writing skills, such as the left parietal lobe. Agraphia can manifest as difficulty with spelling, forming letters or words, organizing thoughts on paper, or expressing ideas in writing. Depending on the severity and location of the brain injury, agraphia may occur in isolation or alongside other language or cognitive impairments.
Cholinergic fibers are nerve cell extensions (neurons) that release the neurotransmitter acetylcholine at their synapses, which are the junctions where they transmit signals to other neurons or effector cells such as muscles and glands. These fibers are a part of the cholinergic system, which plays crucial roles in various physiological processes including learning and memory, attention, arousal, sleep, and muscle contraction.
Cholinergic fibers can be found in both the central nervous system (CNS) and the peripheral nervous system (PNS). In the CNS, cholinergic neurons are primarily located in the basal forebrain and brainstem, and their projections innervate various regions of the cerebral cortex, hippocampus, thalamus, and other brain areas. In the PNS, cholinergic fibers are responsible for activating skeletal muscles through neuromuscular junctions, as well as regulating functions in smooth muscles, cardiac muscles, and glands via the autonomic nervous system.
Dysfunction of the cholinergic system has been implicated in several neurological disorders, such as Alzheimer's disease, Parkinson's disease, and myasthenia gravis.
Cerebral dominance is a concept in neuropsychology that refers to the specialization of one hemisphere of the brain over the other for certain cognitive functions. In most people, the left hemisphere is dominant for language functions such as speaking and understanding spoken or written language, while the right hemisphere is dominant for non-verbal functions such as spatial ability, face recognition, and artistic ability.
Cerebral dominance does not mean that the non-dominant hemisphere is incapable of performing the functions of the dominant hemisphere, but rather that it is less efficient or specialized in those areas. The concept of cerebral dominance has been used to explain individual differences in cognitive abilities and learning styles, as well as the laterality of brain damage and its effects on cognition and behavior.
It's important to note that cerebral dominance is a complex phenomenon that can vary between individuals and can be influenced by various factors such as genetics, environment, and experience. Additionally, recent research has challenged the strict lateralization of functions and suggested that there is more functional overlap and interaction between the two hemispheres than previously thought.
Apraxia is a motor disorder characterized by the inability to perform learned, purposeful movements despite having the physical ability and mental understanding to do so. It is not caused by weakness, paralysis, or sensory loss, and it is not due to poor comprehension or motivation.
There are several types of apraxias, including:
1. Limb-Kinematic Apraxia: This type affects the ability to make precise movements with the limbs, such as using tools or performing complex gestures.
2. Ideomotor Apraxia: In this form, individuals have difficulty executing learned motor actions in response to verbal commands or visual cues, but they can still perform the same action when given the actual object to use.
3. Ideational Apraxia: This type affects the ability to sequence and coordinate multiple steps of a complex action, such as dressing oneself or making coffee.
4. Oral Apraxia: Also known as verbal apraxia, this form affects the ability to plan and execute speech movements, leading to difficulties with articulation and speech production.
5. Constructional Apraxia: This type impairs the ability to draw, copy, or construct geometric forms and shapes, often due to visuospatial processing issues.
Apraxias can result from various neurological conditions, such as stroke, brain injury, dementia, or neurodegenerative diseases like Parkinson's disease and Alzheimer's disease. Treatment typically involves rehabilitation and therapy focused on retraining the affected movements and compensating for any residual deficits.
The septal nuclei are a collection of gray matter structures located in the basal forebrain, specifically in the septum pellucidum. They consist of several interconnected subnuclei that play important roles in various functions such as reward and reinforcement, emotional processing, learning, and memory.
The septal nuclei are primarily composed of GABAergic neurons (neurons that release the neurotransmitter gamma-aminobutyric acid or GABA) and receive inputs from several brain regions, including the hippocampus, amygdala, hypothalamus, and prefrontal cortex. They also send projections to various areas, including the thalamus, hypothalamus, and other limbic structures.
Stimulation of the septal nuclei has been associated with feelings of pleasure and reward, while damage or lesions can lead to changes in emotional behavior and cognitive functions. The septal nuclei are also involved in neuroendocrine regulation, particularly in relation to the hypothalamic-pituitary-adrenal (HPA) axis and the release of stress hormones.
Medical Definition:
Magnetic Resonance Imaging (MRI) is a non-invasive diagnostic imaging technique that uses a strong magnetic field and radio waves to create detailed cross-sectional or three-dimensional images of the internal structures of the body. The patient lies within a large, cylindrical magnet, and the scanner detects changes in the direction of the magnetic field caused by protons in the body. These changes are then converted into detailed images that help medical professionals to diagnose and monitor various medical conditions, such as tumors, injuries, or diseases affecting the brain, spinal cord, heart, blood vessels, joints, and other internal organs. MRI does not use radiation like computed tomography (CT) scans.
I'm sorry for any confusion, but "semantics" is not a term that has a specific medical definition. Semantics is actually a branch of linguistics that deals with the study of meaning, reference, and the interpretation of signs and symbols, either individually or in combination. It is used in various fields including computer science, anthropology, psychology, and philosophy.
However, if you have any medical terms or concepts that you would like me to explain, I'd be happy to help!
Brain mapping is a broad term that refers to the techniques used to understand the structure and function of the brain. It involves creating maps of the various cognitive, emotional, and behavioral processes in the brain by correlating these processes with physical locations or activities within the nervous system. Brain mapping can be accomplished through a variety of methods, including functional magnetic resonance imaging (fMRI), positron emission tomography (PET) scans, electroencephalography (EEG), and others. These techniques allow researchers to observe which areas of the brain are active during different tasks or thoughts, helping to shed light on how the brain processes information and contributes to our experiences and behaviors. Brain mapping is an important area of research in neuroscience, with potential applications in the diagnosis and treatment of neurological and psychiatric disorders.
The prosencephalon is a term used in the field of neuroembryology, which refers to the developmental stage of the forebrain in the embryonic nervous system. It is one of the three primary vesicles that form during the initial stages of neurulation, along with the mesencephalon (midbrain) and rhombencephalon (hindbrain).
The prosencephalon further differentiates into two secondary vesicles: the telencephalon and diencephalon. The telencephalon gives rise to structures such as the cerebral cortex, basal ganglia, and olfactory bulbs, while the diencephalon develops into structures like the thalamus, hypothalamus, and epithalamus.
It is important to note that 'prosencephalon' itself is not used as a medical term in adult neuroanatomy, but it is crucial for understanding the development of the human brain during embryogenesis.
Speech is the vocalized form of communication using sounds and words to express thoughts, ideas, and feelings. It involves the articulation of sounds through the movement of muscles in the mouth, tongue, and throat, which are controlled by nerves. Speech also requires respiratory support, phonation (vocal cord vibration), and prosody (rhythm, stress, and intonation).
Speech is a complex process that develops over time in children, typically beginning with cooing and babbling sounds in infancy and progressing to the use of words and sentences by around 18-24 months. Speech disorders can affect any aspect of this process, including articulation, fluency, voice, and language.
In a medical context, speech is often evaluated and treated by speech-language pathologists who specialize in diagnosing and managing communication disorders.
Language disorders, also known as communication disorders, refer to a group of conditions that affect an individual's ability to understand or produce spoken, written, or other symbolic language. These disorders can be receptive (difficulty understanding language), expressive (difficulty producing language), or mixed (a combination of both).
Language disorders can manifest as difficulties with grammar, vocabulary, sentence structure, and coherence in communication. They can also affect social communication skills such as taking turns in conversation, understanding nonverbal cues, and interpreting tone of voice.
Language disorders can be developmental, meaning they are present from birth or early childhood, or acquired, meaning they develop later in life due to injury, illness, or trauma. Examples of acquired language disorders include aphasia, which can result from stroke or brain injury, and dysarthria, which can result from neurological conditions affecting speech muscles.
Language disorders can have significant impacts on an individual's academic, social, and vocational functioning, making it important to diagnose and treat them as early as possible. Treatment typically involves speech-language therapy to help individuals develop and improve their language skills.
Neuropsychological tests are a type of psychological assessment that measures cognitive functions, such as attention, memory, language, problem-solving, and perception. These tests are used to help diagnose and understand the cognitive impact of neurological conditions, including dementia, traumatic brain injury, stroke, Parkinson's disease, and other disorders that affect the brain.
The tests are typically administered by a trained neuropsychologist and can take several hours to complete. They may involve paper-and-pencil tasks, computerized tasks, or interactive activities. The results of the tests are compared to normative data to help identify any areas of cognitive weakness or strength.
Neuropsychological testing can provide valuable information for treatment planning, rehabilitation, and assessing response to treatment. It can also be used in research to better understand the neural basis of cognition and the impact of neurological conditions on cognitive function.
The brain is the central organ of the nervous system, responsible for receiving and processing sensory information, regulating vital functions, and controlling behavior, movement, and cognition. It is divided into several distinct regions, each with specific functions:
1. Cerebrum: The largest part of the brain, responsible for higher cognitive functions such as thinking, learning, memory, language, and perception. It is divided into two hemispheres, each controlling the opposite side of the body.
2. Cerebellum: Located at the back of the brain, it is responsible for coordinating muscle movements, maintaining balance, and fine-tuning motor skills.
3. Brainstem: Connects the cerebrum and cerebellum to the spinal cord, controlling vital functions such as breathing, heart rate, and blood pressure. It also serves as a relay center for sensory information and motor commands between the brain and the rest of the body.
4. Diencephalon: A region that includes the thalamus (a major sensory relay station) and hypothalamus (regulates hormones, temperature, hunger, thirst, and sleep).
5. Limbic system: A group of structures involved in emotional processing, memory formation, and motivation, including the hippocampus, amygdala, and cingulate gyrus.
The brain is composed of billions of interconnected neurons that communicate through electrical and chemical signals. It is protected by the skull and surrounded by three layers of membranes called meninges, as well as cerebrospinal fluid that provides cushioning and nutrients.
Acquired dyslexia, also known as "alexia" or "word blindness," is a medical condition that affects an individual's ability to understand written language despite having normal intelligence and education. It is characterized by a sudden loss of the ability to read, following damage to specific areas of the brain responsible for visual processing and language comprehension, such as the left occipitotemporal cortex.
Unlike developmental dyslexia, which is present from birth or early childhood, acquired dyslexia occurs later in life due to brain injury, stroke, infection, tumor, or other neurological conditions that damage the language and visual processing areas of the brain. Individuals with acquired dyslexia may have difficulty recognizing words, letters, or symbols, despite having intact hearing and speaking abilities.
Treatment for acquired dyslexia typically involves rehabilitation and compensation strategies to help the individual regain their reading skills or develop alternative ways to process written language. Speech-language therapy, occupational therapy, and assistive technology may be used as part of a comprehensive treatment plan.
The preoptic area (POA) is a region within the anterior hypothalamus of the brain. It is named for its location near the optic chiasm, where the optic nerves cross. The preoptic area is involved in various functions, including body temperature regulation, sexual behavior, and sleep-wake regulation.
The preoptic area contains several groups of neurons that are sensitive to changes in temperature and are responsible for generating heat through shivering or non-shivering thermogenesis. It also contains neurons that release inhibitory neurotransmitters such as GABA and galanin, which help regulate arousal and sleep.
Additionally, the preoptic area has been implicated in the regulation of sexual behavior, particularly in males. Certain populations of neurons within the preoptic area are involved in the expression of male sexual behavior, such as mounting and intromission.
Overall, the preoptic area is a critical region for the regulation of various physiological and behavioral functions, making it an important area of study in neuroscience research.
Speech production measurement is the quantitative analysis and assessment of various parameters and characteristics of spoken language, such as speech rate, intensity, duration, pitch, and articulation. These measurements can be used to diagnose and monitor speech disorders, evaluate the effectiveness of treatment, and conduct research in fields such as linguistics, psychology, and communication disorders. Speech production measurement tools may include specialized software, hardware, and techniques for recording, analyzing, and visualizing speech data.
I'm sorry for any confusion, but "linguistics" is not a term that has a medical definition. Lingustics is the scientific study of language and its structure. It involves analysing language form, language meaning, and language in context.
If you have any questions related to healthcare or medicine, I'd be happy to try to help answer them!
Theta rhythm is a type of electrical brain activity that can be detected through an electroencephalogram (EEG), which measures the electrical impulses generated by the brain's neurons. Theta waves have a frequency range of 4-8 Hz and are typically observed in the EEG readings of children, as well as adults during states of drowsiness, light sleep, or deep meditation.
Theta rhythm is thought to be involved in several cognitive processes, including memory consolidation, spatial navigation, and emotional regulation. It has also been associated with various mental states, such as creativity, intuition, and heightened suggestibility. However, more research is needed to fully understand the functional significance of theta rhythm and its role in brain function.
A stroke, also known as cerebrovascular accident (CVA), is a serious medical condition that occurs when the blood supply to part of the brain is interrupted or reduced, leading to deprivation of oxygen and nutrients to brain cells. This can result in the death of brain tissue and cause permanent damage or temporary impairment to cognitive functions, speech, memory, movement, and other body functions controlled by the affected area of the brain.
Strokes can be caused by either a blockage in an artery that supplies blood to the brain (ischemic stroke) or the rupture of a blood vessel in the brain (hemorrhagic stroke). A transient ischemic attack (TIA), also known as a "mini-stroke," is a temporary disruption of blood flow to the brain that lasts only a few minutes and does not cause permanent damage.
Symptoms of a stroke may include sudden weakness or numbness in the face, arm, or leg; difficulty speaking or understanding speech; vision problems; loss of balance or coordination; severe headache with no known cause; and confusion or disorientation. Immediate medical attention is crucial for stroke patients to receive appropriate treatment and prevent long-term complications.
Ideomotor apraxia is a neurological disorder that affects the ability to perform learned, purposeful movements in the absence of muscle weakness or paralysis. It results from damage to specific areas of the brain that are responsible for motor planning and execution.
In ideomotor apraxia, the person has difficulty translating an intention or idea into the appropriate movement. For example, if asked to pantomime using a toothbrush, they may not be able to recall and execute the correct sequence of movements required for this task, even though they understand what is being asked of them and have no problem moving their arm or hand.
This disorder can manifest as awkward, poorly coordinated, or incomplete movements, often with inconsistent errors. Ideomotor apraxia is typically seen following lesions to the left hemisphere of the brain, particularly in regions associated with language and motor function, such as Broca's area and the parietal lobe. Treatment usually involves occupational therapy and strategies to help compensate for the impaired motor skills.
I'm sorry for any confusion, but "names" is not a medical term that can be defined in a biological or clinical context. If you have any questions about medical terminology or concepts, I would be happy to try and help! Please provide more information or clarify your question.
In the context of medical and clinical psychology, particularly in the field of applied behavior analysis (ABA), "verbal behavior" is a term used to describe the various functions or purposes of spoken language. It was first introduced by the psychologist B.F. Skinner in his 1957 book "Verbal Behavior."
Skinner proposed that verbal behavior could be classified into several categories based on its function, including:
1. Mand: A verbal operant in which a person requests or demands something from another person. For example, saying "I would like a glass of water" is a mand.
2. Tact: A verbal operant in which a person describes or labels something in their environment. For example, saying "That's a red apple" is a tact.
3. Echoic: A verbal operant in which a person repeats or imitates what they have heard. For example, saying "Hello" after someone says hello to you is an echoic.
4. Intraverbal: A verbal operant in which a person responds to another person's verbal behavior with their own verbal behavior, without simply repeating or imitating what they have heard. For example, answering a question like "What's the capital of France?" is an intraverbal.
5. Textual: A verbal operant in which a person reads or writes text. For example, reading a book or writing a letter are textual.
Understanding the function of verbal behavior can be helpful in assessing and treating communication disorders, such as those seen in autism spectrum disorder (ASD). By identifying the specific functions of a child's verbal behavior, therapists can develop targeted interventions to help them communicate more effectively.
Speech disorders refer to a group of conditions in which a person has difficulty producing or articulating sounds, words, or sentences in a way that is understandable to others. These disorders can be caused by various factors such as developmental delays, neurological conditions, hearing loss, structural abnormalities, or emotional issues.
Speech disorders may include difficulties with:
* Articulation: the ability to produce sounds correctly and clearly.
* Phonology: the sound system of language, including the rules that govern how sounds are combined and used in words.
* Fluency: the smoothness and flow of speech, including issues such as stuttering or cluttering.
* Voice: the quality, pitch, and volume of the spoken voice.
* Resonance: the way sound is produced and carried through the vocal tract, which can affect the clarity and quality of speech.
Speech disorders can impact a person's ability to communicate effectively, leading to difficulties in social situations, academic performance, and even employment opportunities. Speech-language pathologists are trained to evaluate and treat speech disorders using various evidence-based techniques and interventions.
Speech-Language Pathology is a branch of healthcare that deals with the evaluation, diagnosis, treatment, and prevention of communication disorders, speech difficulties, and swallowing problems. Speech-language pathologists (SLPs), also known as speech therapists, are professionals trained to assess and help manage these issues. They work with individuals of all ages, from young children who may be delayed in their speech and language development, to adults who have communication or swallowing difficulties due to stroke, brain injury, neurological disorders, or other conditions. Treatment may involve various techniques and technologies to improve communication and swallowing abilities, and may also include counseling and education for patients and their families.
Comprehension, in a medical context, usually refers to the ability to understand and interpret spoken or written language, as well as gestures and expressions. It is a key component of communication and cognitive functioning. Difficulties with comprehension can be a symptom of various neurological conditions, such as aphasia (a disorder caused by damage to the language areas of the brain), learning disabilities, or dementia. Assessment of comprehension is often part of neuropsychological evaluations and speech-language pathology assessments.
Frontotemporal lobar degeneration (FTLD) is a group of disorders characterized by the progressive degeneration of the frontal and temporal lobes of the brain. These areas of the brain are involved in decision-making, behavior, emotion, and language. FTLD can be divided into several subtypes based on the specific clinical features and the underlying protein abnormalities.
The three main subtypes of FTLD are:
1. Behavioral variant frontotemporal dementia (bvFTD): This subtype is characterized by changes in personality, behavior, and judgment. People with bvFTD may lose their social inhibitions, become impulsive, or develop compulsive behaviors. They may also have difficulty with emotional processing and empathy.
2. Primary progressive aphasia (PPA): This subtype is characterized by the gradual deterioration of language skills. People with PPA may have difficulty speaking, understanding spoken or written language, or both. There are three subtypes of PPA: nonfluent/agrammatic variant, semantic variant, and logopenic variant.
3. Motor neuron disease (MND) with FTLD: This subtype is characterized by the degeneration of motor neurons, which are the nerve cells responsible for controlling voluntary muscle movements. People with MND with FTLD may develop symptoms of amyotrophic lateral sclerosis (ALS), such as muscle weakness, stiffness, and twitching, as well as cognitive and behavioral changes associated with FTLD.
The underlying protein abnormalities in FTLD include:
1. Tau protein: In some forms of FTLD, the tau protein accumulates and forms clumps called tangles inside nerve cells. This is also seen in Alzheimer's disease.
2. TDP-43 protein: In other forms of FTLD, the TDP-43 protein accumulates and forms clumps inside nerve cells.
3. Fused in sarcoma (FUS) protein: In a small number of cases, the FUS protein accumulates and forms clumps inside nerve cells.
FTLD is typically a progressive disorder, meaning that symptoms worsen over time. There is currently no cure for FTLD, but there are treatments available to help manage symptoms and improve quality of life.
Atrophy is a medical term that refers to the decrease in size and wasting of an organ or tissue due to the disappearance of cells, shrinkage of cells, or decreased number of cells. This process can be caused by various factors such as disuse, aging, degeneration, injury, or disease.
For example, if a muscle is immobilized for an extended period, it may undergo atrophy due to lack of use. Similarly, certain medical conditions like diabetes, cancer, and heart failure can lead to the wasting away of various tissues and organs in the body.
Atrophy can also occur as a result of natural aging processes, leading to decreased muscle mass and strength in older adults. In general, atrophy is characterized by a decrease in the volume or weight of an organ or tissue, which can have significant impacts on its function and overall health.
Neurons, also known as nerve cells or neurocytes, are specialized cells that constitute the basic unit of the nervous system. They are responsible for receiving, processing, and transmitting information and signals within the body. Neurons have three main parts: the dendrites, the cell body (soma), and the axon. The dendrites receive signals from other neurons or sensory receptors, while the axon transmits these signals to other neurons, muscles, or glands. The junction between two neurons is called a synapse, where neurotransmitters are released to transmit the signal across the gap (synaptic cleft) to the next neuron. Neurons vary in size, shape, and structure depending on their function and location within the nervous system.
Frontotemporal dementia (FTD) is a group of disorders caused by progressive degeneration of the frontal and temporal lobes of the brain. These areas of the brain are associated with personality, behavior, and language.
There are three main types of FTD:
1. Behavioral variant FTD (bvFTD): This type is characterized by changes in personality, behavior, and judgment. Individuals may become socially inappropriate, emotionally indifferent, or impulsive. They may lose interest in things they used to enjoy and have difficulty with tasks that require planning and organization.
2. Primary progressive aphasia (PPA): This type affects language abilities. There are two main subtypes of PPA: semantic dementia and progressive nonfluent aphasia. Semantic dementia is characterized by difficulty understanding words and objects, while progressive nonfluent aphasia is characterized by problems with speech production and articulation.
3. Motor neuron disease (MND) associated FTD: Some individuals with FTD may also develop motor neuron disease, which affects the nerves that control muscle movement. This can lead to weakness, stiffness, and wasting of muscles, as well as difficulty swallowing and speaking.
FTD is a degenerative disorder, meaning that symptoms get worse over time. There is no cure for FTD, but there are treatments available to help manage symptoms and improve quality of life. The exact cause of FTD is not known, but it is believed to be related to abnormalities in certain proteins in the brain. In some cases, FTD may run in families and be caused by genetic mutations.
The temporal lobe is one of the four main lobes of the cerebral cortex in the brain, located on each side of the head roughly level with the ears. It plays a major role in auditory processing, memory, and emotion. The temporal lobe contains several key structures including the primary auditory cortex, which is responsible for analyzing sounds, and the hippocampus, which is crucial for forming new memories. Damage to the temporal lobe can result in various neurological symptoms such as hearing loss, memory impairment, and changes in emotional behavior.
Psycholinguistics is not a medical term per se, but it is a subfield of both psychology and linguistics that explores how we understand, produce, and process language. It investigates the cognitive processes and mental representations involved in language use, such as word recognition, sentence comprehension, language production, language acquisition, and language disorders.
In medical contexts, psycholinguistic assessments may be used to evaluate individuals with communication difficulties due to neurological or developmental disorders, such as aphasia, dyslexia, or autism spectrum disorder. These assessments can help identify specific areas of impairment and inform treatment planning.
Dysarthria is a motor speech disorder that results from damage to the nervous system, particularly the brainstem or cerebellum. It affects the muscles used for speaking, causing slurred, slow, or difficult speech. The specific symptoms can vary depending on the underlying cause and the extent of nerve damage. Treatment typically involves speech therapy to improve communication abilities.
Functional laterality, in a medical context, refers to the preferential use or performance of one side of the body over the other for specific functions. This is often demonstrated in hand dominance, where an individual may be right-handed or left-handed, meaning they primarily use their right or left hand for tasks such as writing, eating, or throwing.
However, functional laterality can also apply to other bodily functions and structures, including the eyes (ocular dominance), ears (auditory dominance), or legs. It's important to note that functional laterality is not a strict binary concept; some individuals may exhibit mixed dominance or no strong preference for one side over the other.
In clinical settings, assessing functional laterality can be useful in diagnosing and treating various neurological conditions, such as stroke or traumatic brain injury, where understanding any resulting lateralized impairments can inform rehabilitation strategies.
The hippocampus is a complex, curved formation in the brain that resembles a seahorse (hence its name, from the Greek word "hippos" meaning horse and "kampos" meaning sea monster). It's part of the limbic system and plays crucial roles in the formation of memories, particularly long-term ones.
This region is involved in spatial navigation and cognitive maps, allowing us to recognize locations and remember how to get to them. Additionally, it's one of the first areas affected by Alzheimer's disease, which often results in memory loss as an early symptom.
Anatomically, it consists of two main parts: the Ammon's horn (or cornu ammonis) and the dentate gyrus. These structures are made up of distinct types of neurons that contribute to different aspects of learning and memory.
Communication aids for disabled are devices or tools that help individuals with disabilities to communicate effectively. These aids can be low-tech, such as communication boards with pictures and words, or high-tech, such as computer-based systems with synthesized speech output. The goal of these aids is to enhance the individual's ability to express their needs, wants, thoughts, and feelings, thereby improving their quality of life and promoting greater independence.
Some examples of communication aids for disabled include:
1. Augmentative and Alternative Communication (AAC) devices - These are electronic devices that produce speech or text output based on user selection. They can be operated through touch screens, eye-tracking technology, or switches.
2. Speech-generating devices - Similar to AAC devices, these tools generate spoken language for individuals who have difficulty speaking.
3. Adaptive keyboards and mice - These are specialized input devices that allow users with motor impairments to type and navigate computer interfaces more easily.
4. Communication software - Computer programs designed to facilitate communication for individuals with disabilities, such as text-to-speech software or visual scene displays.
5. Picture communication symbols - Graphic representations of objects, actions, or concepts that can be used to create communication boards or books.
6. Eye-tracking technology - Devices that track eye movements to enable users to control a computer or communicate through selection of on-screen options.
These aids are often customized to meet the unique needs and abilities of each individual, allowing them to participate more fully in social interactions, education, and employment opportunities.
Gonadotropin-Releasing Hormone (GnRH), also known as Luteinizing Hormone-Releasing Hormone (LHRH), is a hormonal peptide consisting of 10 amino acids. It is produced and released by the hypothalamus, an area in the brain that links the nervous system to the endocrine system via the pituitary gland.
GnRH plays a crucial role in regulating reproduction and sexual development through its control of two gonadotropins: follicle-stimulating hormone (FSH) and luteinizing hormone (LH). These gonadotropins, in turn, stimulate the gonads (ovaries or testes) to produce sex steroids and eggs or sperm.
GnRH acts on the anterior pituitary gland by binding to its specific receptors, leading to the release of FSH and LH. The hypothalamic-pituitary-gonadal axis is under negative feedback control, meaning that when sex steroid levels are high, they inhibit the release of GnRH, which subsequently decreases FSH and LH secretion.
GnRH agonists and antagonists have clinical applications in various medical conditions, such as infertility treatments, precocious puberty, endometriosis, uterine fibroids, prostate cancer, and hormone-responsive breast cancer.
Thalamic diseases refer to conditions that affect the thalamus, which is a part of the brain that acts as a relay station for sensory and motor signals to the cerebral cortex. The thalamus plays a crucial role in regulating consciousness, sleep, and alertness. Thalamic diseases can cause a variety of symptoms depending on the specific area of the thalamus that is affected. These symptoms may include sensory disturbances, motor impairment, cognitive changes, and altered levels of consciousness. Examples of thalamic diseases include stroke, tumors, multiple sclerosis, infections, and degenerative disorders such as dementia and Parkinson's disease. Treatment for thalamic diseases depends on the underlying cause and may include medications, surgery, or rehabilitation therapy.
Reproducibility of results in a medical context refers to the ability to obtain consistent and comparable findings when a particular experiment or study is repeated, either by the same researcher or by different researchers, following the same experimental protocol. It is an essential principle in scientific research that helps to ensure the validity and reliability of research findings.
In medical research, reproducibility of results is crucial for establishing the effectiveness and safety of new treatments, interventions, or diagnostic tools. It involves conducting well-designed studies with adequate sample sizes, appropriate statistical analyses, and transparent reporting of methods and findings to allow other researchers to replicate the study and confirm or refute the results.
The lack of reproducibility in medical research has become a significant concern in recent years, as several high-profile studies have failed to produce consistent findings when replicated by other researchers. This has led to increased scrutiny of research practices and a call for greater transparency, rigor, and standardization in the conduct and reporting of medical research.
Agnosia is a medical term that refers to the inability to recognize or comprehend the meaning or significance of sensory stimuli, even though the specific senses themselves are intact. It is a higher-level cognitive disorder, caused by damage to certain areas of the brain that are responsible for processing and interpreting information from our senses.
There are different types of agnosia, depending on which sense is affected:
* Visual agnosia: The inability to recognize or identify objects, faces, or shapes based on visual input.
* Auditory agnosia: The inability to understand spoken language or recognize sounds, even though hearing is intact.
* Tactile agnosia: The inability to recognize objects by touch, despite normal tactile sensation.
* Olfactory and gustatory agnosia: The inability to identify smells or tastes, respectively, even though the senses of smell and taste are functioning normally.
Agnosia can result from various causes, including stroke, brain injury, infection, degenerative diseases, or tumors that damage specific areas of the brain involved in sensory processing and interpretation. Treatment for agnosia typically focuses on rehabilitation and compensation strategies to help individuals adapt to their deficits and improve their quality of life.
Broca's area
Expressive aphasia
Aphasia
Explicit memory
Jean Berko Gleason
Paul Broca
Music therapy
Marc Dax
Broca's fissure
Pseudoword
Foix-Chavany-Marie syndrome
Language center
Language module
Conduction aphasia
Head injury
Brain damage
Edward Chang (neurosurgeon)
Priming (psychology)
Muteness
Neurolinguistics
Cognitive neuroscience
Postmortem studies
Transcortical sensory aphasia
Nina Dronkers
Boston Diagnostic Aphasia Examination
Ernst Pöppel
Louis Pierre Gratiolet
Transcortical motor aphasia
Inferior frontal gyrus
Receptive aphasia
What is Broca's Aphasia? - The National Aphasia Association
Broca s vs wernicke s aphasia | HealthTap Online Doctor
Singing as a Music Therapy Intervention for Persons with Broca's Aphasia - Spectrum: Concordia University Research Repository
broca's aphasia
"A Combination of Therapeutic Techniques: Severe Broca's Aphasia" by Kimberly Ann Homan
Broca's aphasia - Stroke Deficits, Treatments, and Remedies - StrokeNet
View of The Differences Between Aphasia Broca's In Adults and Children
Experiences of having lived with Broca's aphasia: a scoping review | Pensar Enfermagem
Contiguity versus similarity paraphasic substitutions in Broca's and in Wernicke's aphasia<...
Broca's area - Wikipedia
British Medical Journal: 1 (2623) | The BMJ
Types of Aphasia: Definitions, Chart, Coping, and Treatments
Language deficits and traumatic brain injury (practice) | Khan Academy
Aphasia: Practice Essentials, Background, Pathophysiology
Human Brain Language Areas Identified by Functional Magnetic Resonance Imaging | Journal of Neuroscience
In Freud's theory, the actual content of a dream is called | Quizlet
Glossary of Brain Injury Terms | BrainLine
INTERVIEW. : languagehat.com
3 Things You Should Know About Speech Disorder
Three case studies of Italian children with cochlear implant: A syntactically based treatment of relative clauses
Bi/multilingual attrition and aphasia as destabilization: Chapter 9. A neuropsycholinguistic approach to complexity
SciELO - Audiology - Communication Research, Volume: 26, Published: 2021
Aphasia - Neurologic Disorders - MSD Manual Professional Edition
Videos | Emotional Hippies Cry Over Dead Trees - eGuiders. We Search. You Watch.
Frontiers | Spectral Resting-State EEG (rsEEG) in Chronic Aphasia Is Reliable, Sensitive, and Correlates With Functional...
What is Aphasia? | Lingraphica
What is Aphasia? | Lingraphica
ISB4 Proceedings
Phrenology - History of a Science and Pseudoscience - NeuroLogica Blog
Broca's Aphasia33
- What is Broca's Aphasia? (aphasia.org)
- Today, we're introducting a third form of aphasia: Broca's aphasia. (aphasia.org)
- So What is Broca's Aphasia? (aphasia.org)
- As the video states, Broca's aphasia comes on suddenly, the result of a brain injury or stroke. (aphasia.org)
- The video provides background information about Broca's aphasia as well as communication tips. (aphasia.org)
- Broca's aphasia is difficulty in expressing speech. (healthtap.com)
- What exactly does it feel like to have broca's aphasia? (healthtap.com)
- Broca's aphasia refers to an aphasia that usually occurs when a specific area of the brain suffers an injury, for example from a stroke or head injury. (healthtap.com)
- What is the facial appearance like in people with broca's aphasia? (healthtap.com)
- The purpose of this paper was to explore how singing interventions may be used in music therapy contexts for persons with Broca's aphasia. (concordia.ca)
- Characteristics and issues concerning stroke, aphasia, and Broca's aphasia in particular were discussed. (concordia.ca)
- The effects of Modified Melodic Intonation Therapy for a fifty-nine year old adult with severe Broca's aphasia were examined. (mnsu.edu)
- A Combination of Therapeutic Techniques: Severe Broca's Aphasia [Master's thesis, Minnesota State University, Mankato]. (mnsu.edu)
- only this time, have acquired Broca's aphasia (had anomic from first stroke). (strokeboard.net)
- The reports of people who have already recovered or can express themselves are essential to increasing knowledge about the experience of living with Broca's aphasia. (esel.pt)
- To map scientific evidence about the experience of people who lived through a period of Broca's aphasia. (esel.pt)
- It is essential to continue investigating how people report the experience of having lived through a period of Broca's aphasia to improve the quality of care and people's quality of life. (esel.pt)
- Since then, the approximate region he identified has become known as Broca's area, and the deficit in language production as Broca's aphasia, also called expressive aphasia. (wikipedia.org)
- Understanding ambiguous words in sentence contexts: Electrophysiological evidence for delayed contextual selection in Broca's aphasia. (crossref.org)
- Damage to this area results in what is called a Broca's aphasia. (theness.com)
- Procedural learning in Broca's aphasia: Dissociation between the implicit acquisition of spatio-motor and phoneme sequences. (mpg.de)
- People suffering from Broca's aphasia have great difficulty with repetition and a severe impairment in writing. (ucsf.edu)
- Broca's aphasia- Difficulty getting words out. (speechandhearingassoc.com)
- Research has supported the use of singing in treatment of patients with nonfluent aphasia, also known as Broca's aphasia (Schlaug, Marchina, & Norton, 2008). (loyola.edu)
- Among the most common types are Wernicke's aphasia, Broca's aphasia, global aphasia, and primary progressive aphasia (PPA). (einpresswire.com)
- The deficit in language production from Broca's area is referred to as Broca's aphasia, also called expressive aphasia. (standardofcare.com)
- Patients with expressive aphasia, also known as Broca's aphasia, are able to comprehend words, and sentences with a simple syntactic structure, but are more or less unable to generate fluent speech. (standardofcare.com)
- The relationship between Broca's area and Broca's aphasia is not as consistent as once thought, as lesions to Broca's area alone don't result in a Broca's aphasia, nor do Broca's aphasic patients necessarily have lesions in Broca's area. (standardofcare.com)
- Broca's aphasia is also called non-fluent aphasia because the words uttered by the patient are totally random and not a single word can be comprehended. (bestmedicalforms.com)
- Broca's aphasia is a very common type of aphasia. (atlasaphasia.org)
- People with Broca's aphasia know what they want to say, but have difficulty getting their words out. (atlasaphasia.org)
- That is called Broca's Aphasia," Dr. Cheever says. (medlineplus.gov)
- Broca's Aphasia and related topics were included in a June 2017 article about the initiative in the Journal of the American Medical Association. (medlineplus.gov)
Types of aphasia6
- Read on to discover more about the different types of aphasia. (healthline.com)
- In the chart below, we'll break down the different types of aphasia. (healthline.com)
- There are several different types of aphasia. (aphasia.com)
- There are many types of aphasia especially depending on the underlying cause and the area damaged in the brain. (bestmedicalforms.com)
- Nonetheless, learning about common types of aphasia can be helpful. (atlasaphasia.org)
- Blumenfeld's "Neuroanatomy Through Clinical Cases" has a diagram that illustrates some of the most common types of aphasia. (atlasaphasia.org)
Form of aphasia6
- While people with this form of aphasia may understand everything said to them, they have difficulty finding words to express themselves or answer questions. (aphasia.org)
- No relationship was found between type of semantic paraphasias and clinical form of aphasia. (edu.au)
- Furthermore, irrespective of the clinical form of aphasia, aphasics tend to give more similarity substitutions than contiguity substitutions. (edu.au)
- global aphasia The most severe form of aphasia has serious consequences for language formation and understanding. (bioprepwatch.com)
- Conduction aphasia is considered a mild form of aphasia and is relatively rare. (aphasia.com)
- Anomic aphasia is the most mild form of aphasia. (atlasaphasia.org)
Expressive9
- In its most general form, this model proposes a frontal, "expressive" area for planning and executing speech and writing movements, named after Broca ( Broca, 1861 ), and a posterior, "receptive" area for analysis and identification of linguistic sensory stimuli, named after Wernicke ( Wernicke, 1874 ). (jneurosci.org)
- Aphasia is broadly divided into receptive and expressive aphasia. (msdmanuals.com)
- Expressive aphasia-may or may not be able to write it down. (brainscape.com)
- Some people with aphasia have trouble using words and sentences (expressive aphasia). (ucsf.edu)
- The nonfluent variant of primary progressive aphasia (nfvPPA) is a type of expressive aphasia. (ucsf.edu)
- Aphasia, expressive - inability to find or formulate the words to express oneself event though knowing what one wants to say. (casperdetoledo.com)
- Patients with expressive aphasia may have other symptoms that may be present problems with fluency, articulation, word-finding, word repetition, and producing and comprehending complex grammatical sentences, both orally and in writing. (standardofcare.com)
- Classically, expressive aphasia is the result of injury to Broca's area. (standardofcare.com)
- The scientific study of the relationship between brain and mind began in 1861, when Broca, in France, found that specific difficulties in the expressive use of speech (aphasia) consistently. (lrb.co.uk)
Conduction aphasia9
- Conduction aphasia is a type of aphasia in which the main impairment is in the inability to repeat words or phrases. (aphasia.com)
- A person with conduction aphasia can usually read, write, speak, and understand spoken messages. (aphasia.com)
- However, a person with conduction aphasia may be unable to repeat words, phrases, or sentences. (aphasia.com)
- A person with mild conduction aphasia might be able to repeat words and short phrases but have difficulty with long or complex sentences. (aphasia.com)
- Someone with severe conduction aphasia might be unable to repeat short phrases or even single words. (aphasia.com)
- People with conduction aphasia are typically aware of their errors, but have a hard time correcting them. (aphasia.com)
- People with conduction aphasia can use strategies like writing information down instead of repeating it. (aphasia.com)
- Conduction aphasia is a type of aphasia where people can typically understand most of what's being said and speak at a normal rate and rhythm. (atlasaphasia.org)
- A hallmark of conduction aphasia is to attempt to fix errors in their speech, often getting closer and closer to the target word with repeated attempts. (atlasaphasia.org)
Wernicke's aphasia10
- primary progressive aphasia and Wernicke's aphasia . (aphasia.org)
- What are brocas aphasia, and wernicke's aphasia? (healthtap.com)
- How can i communicate with people with wernicke's aphasia? (healthtap.com)
- Wernicke's aphasia patients have severe problems with communication. (healthtap.com)
- Like Wernicke's aphasia, your sentences may have no obvious meaning. (healthline.com)
- But unlike Wernicke's aphasia, you're able to repeat things, although echolalia may occur in some cases. (healthline.com)
- Wernicke's aphasia- Significant difficulty understanding what is being said and controlling meaningful speech. (speechandhearingassoc.com)
- In Wernicke's aphasia, the patient's speech is not impaired but his ability to understand the speech of other people is impaired. (bestmedicalforms.com)
- Wernicke's aphasia is characterized by difficulty with auditory comprehension. (atlasaphasia.org)
- People with Wernicke's aphasia are typically unaware that they are having difficulty. (atlasaphasia.org)
National Aphasia Association1
- According to the National Aphasia Association, "Aphasia can be so severe as to make communication with the patient almost impossible, or it can be very mild. (einpresswire.com)
Pierre Paul3
- Language processing has been linked to Broca's area since Pierre Paul Broca reported impairments in two patients. (wikipedia.org)
- Pierre Paul Broca then took this research further, using clinical evaluations of humans to see if specific mental functions could be localized to specific brain tissue, and he was very successful in his research. (theness.com)
- Jay V. Pierre Paul Broca. (medscape.com)
Fluent aphasia4
- Modifying the melodic intonation therapy program for adults with severe non-fluent aphasia. (concordia.ca)
- I'm fluent aphasia (Wernicke's). (strokeboard.net)
- See also non-fluent aphasia. (brainline.org)
- It is basically fluent aphasia also termed as sensory aphasia. (bestmedicalforms.com)
Stroke13
- Broca aphasia is a stroke affecting the speech area. (healthtap.com)
- One thing is after having one stroke, kind of knew what to expect from second one:) (except for the different type of aphasia that I got this time). (strokeboard.net)
- Aphasia often comes on suddenly, due to something like a head injury or stroke . (healthline.com)
- Aphasia develops abruptly in patients with a stroke or head injury. (medscape.com)
- Because aphasia is most often caused by stroke, neuroimaging is required to localize and diagnose the cause of aphasia. (medscape.com)
- Most aphasias and related disorders are due to stroke, head injury, cerebral tumors, or degenerative diseases. (medscape.com)
- We investigated spectral resting-state EEG in persons with chronic stroke-induced aphasia to determine its reliability, sensitivity, and relationship to functional behaviors. (frontiersin.org)
- Controls and persons with chronic stroke-induced aphasia completed two EEG recording sessions, separated by approximately 1 month, as well as behavioral assessments of language, sensorimotor, and cognitive domains. (frontiersin.org)
- Future studies investigating the utility of these measures as biomarkers of frank or latent aphasic deficits and treatment response in chronic stroke-induced aphasia are warranted. (frontiersin.org)
- Most the time people acquire aphasia because of a stroke," said Judy Mikola, a speech pathologist at the National Intrepid Center of Excellence (NICoE) at Walter Reed National Military Medical Center in Bethesda, Maryland. (health.mil)
- Cardiovascular disease, or overall heart health , may affect older people more generally, but outcomes like stroke aphasia occur because of a downturn in fitness much earlier in life, including time on active duty. (health.mil)
- Injury to the brain because of hemorrhage or ischemia resulting in stroke is the most common cause of aphasia. (bestmedicalforms.com)
- Objective: Testing the efficacy of a music-based language rehabilitation program, adaptedfrom MIT in a patient with Broca?s aphasia due to stroke in the left cerebral hemisphere (LH). (bvsalud.org)
Severe3
- This is the most severe aphasia. (healthline.com)
- Severe brain injury or disease is the main cause of global aphasia. (bioprepwatch.com)
- Global aphasia is very severe. (atlasaphasia.org)
Sentences1
- People with transcortical motor aphasia have significant difficulty producing spontaneous speech, but they can repeat phrases and sentences. (atlasaphasia.org)
Nonfluent aphasia3
- Nonfluent aphasia. (healthline.com)
- The progressive aphasias have been divided into 3 groups: progressive nonfluent aphasia, semantic dementia, and logopenic progressive aphasia. (medscape.com)
- do individuals with nonfluent aphasia who are formally trained in singing benefit more from MIT than those who are not musically inclined? (loyola.edu)
Wernicke Aphasia2
- Patients with Wernicke aphasia speak normal words fluently, often including meaningless phonemes, but do not know their meaning or relationships. (msdmanuals.com)
- A right visual field cut commonly accompanies Wernicke aphasia because the visual pathway is near the affected area. (msdmanuals.com)
Categories of aphasia1
- There are two different categories of aphasia and different conditions associated with each type. (healthline.com)
Difficulty7
- Werniche's aphasia is difficulty in understanding speech. (healthtap.com)
- A person with Aphasia may experience any of the following symptoms depending on the extent and location of the damage: trouble speaking or "getting words out", difficulty finding words, problems understanding what others say, trouble with reading, writing, or math, increased difficulty processing long words and infrequently used words. (speechandhearingassoc.com)
- Aphasia - difficulty understanding and/or producing spoken and written language. (casperdetoledo.com)
- People with global aphasia will have difficulty with all language domains: talking, understanding, reading, and writing. (atlasaphasia.org)
- A person with this type of aphasia will likely have very little voluntary speech, poor comprehension, and difficulty reading and writing. (atlasaphasia.org)
- People with transcortical motor aphasia have a very hard time initiating speech, and sometimes, difficulty initiating other motor movements too. (atlasaphasia.org)
- People with transcortical sensory aphasia also have significant difficulty with auditory comprehension. (atlasaphasia.org)
Receptive aphasia2
- Receptive aphasia: cant understand questions-can check understanding by seeing if pt can follow commands. (brainscape.com)
- Some have problems understanding others (receptive aphasia). (ucsf.edu)
Symptoms4
- While there are common characteristics, each type of aphasia presents unique symptoms and many people with aphasia show overlapping symptoms. (aphasia.com)
- What are some of the signs and symptoms of Aphasia? (speechandhearingassoc.com)
- In primary progressive aphasia, the patient is initially quite well and there are no signs and symptoms of impaired speech in the beginning. (bestmedicalforms.com)
- This type of aphasia is mainly to the neurodegenerative reasons in which the brain tissue is gradually affected resulting in impaired speech along with other signs and symptoms. (bestmedicalforms.com)
Language28
- Aphasia is a problem with language (with speech sounds being normal). (healthtap.com)
- Studies of chronic aphasia have implicated an essential role of Broca's area in various speech and language functions. (wikipedia.org)
- Aphasia is a condition that affects language. (healthline.com)
- Speech-language therapy is the mainstay treatment for aphasia. (healthline.com)
- Aphasia is an acquired disorder of language due to brain damage. (medscape.com)
- Careful assessment of language function with an evaluation of neighborhood signs is important in the diagnosis of the localization and cause of aphasia. (medscape.com)
- Although bedside examination can usually reveal the type of aphasia, formal cognitive testing by a neuropsychologist or speech/language therapist may be important to determine fine levels of dysfunction, to plan therapy, and to assess the patient's potential for recovery. (medscape.com)
- Speech and language therapy is the mainstay of care for patients with aphasia. (medscape.com)
- Language-related functions were among the first to be ascribed a specific location in the human brain ( Broca, 1861 ) and have been the subject of intense research for well over a century. (jneurosci.org)
- aphasia - loss of the ability to express oneself and/or to understand language. (brainline.org)
- aphasia abnormality Disruption in the language centers causes, above all, difficulties in searching for words. (bioprepwatch.com)
- While Complexity Theory claims that there is no stability whatsoever, I will argue that there are moments in the life of a language user when language systems are specifically prone to change and discuss three such cases: changes in language use patterns leading to language attrition, adding a new language to the language system, and adaptation to acquired language disorders such as aphasia. (benjamins.com)
- Aphasia is language dysfunction that may involve impaired comprehension or expression of words or nonverbal equivalents of words. (msdmanuals.com)
- Aphasia is distinct from developmental disorders of language and from dysfunction of the motor pathways and muscles that produce speech (dysarthria). (msdmanuals.com)
- For example, investigations of language in persons with aphasia (PWAs) often require participants to name pictures or match pictures to a word while undergoing fMRI. (frontiersin.org)
- Working with a speech-language pathologist can help someone with aphasia make as much improvement as possible. (aphasia.com)
- Aphasia is the term used to describe an acquired loss of language that causes problems with any or all of the following: speaking, listening, reading and writing. (ucsf.edu)
- Aphasia can cause problems with spoken language (talking and understanding) and written language (reading and writing). (ucsf.edu)
- Aphasia is a language disorder that affects the ability to communicate. (speechandhearingassoc.com)
- Covering an array of evidence-based content, including aphasia, traumatic brain injury, dementia, and language in aging, Aphasia and Other Acquired Neurogenic Language Disorders: A Guide for Clinical Excellence, Second Edition is a must-have textbook for clinicians and students studying to be speech-language pathologists. (pluralpublishing.com)
- This second edition provides an extremely wide knowledge base in the area of aphasia and other acquired neurogenic language disorders. (pluralpublishing.com)
- Aphasia, fluent - characterized by spontaneous use of language at normal speed that conveys little meaning. (casperdetoledo.com)
- Aphasia is an impairment of language caused by damage to the areas of the brain responsible for expression and comprehension. (einpresswire.com)
- Aphasia often results from damage to certain areas on the left side of the brain where language is produced. (einpresswire.com)
- Lesions in the Broca area causes a breakdown between one's thoughts and one's language abilities. (standardofcare.com)
- Aphasia is an acquired language disorder affecting all modalities such as writing, reading, speaking, and listening and results from brain damage. (standardofcare.com)
- Even with a car accident, if trauma occurs in that very localized language center of the brain, an aphasia can result. (health.mil)
- In aphasia, the language and speaking skills of a person are affected to a level that it becomes difficult for the listener at times to understand what the other person is saying. (bestmedicalforms.com)
Dementia6
- Closely related to aphasia are the family of disorders called apraxias (disorders of learned or skilled movements), agnosias (disorders of recognition), acalculias (disorders of calculation ability), and more global neurobehavioral deficits such as dementia and delirium . (medscape.com)
- In 1982, Mesulam reported 6 patients with progressive aphasia, gradually worsening over a number of years, who did not develop a more generalized dementia. (medscape.com)
- Subsequently, the PPA syndrome was defined as a disorder limited to progressive aphasia, without general cognitive impairment or dementia, over a 2-year period. (medscape.com)
- The condition described in the North American literature as primary progressive aphasia and that described in the European literature as frontal dementia have been combined under the term frontotemporal lobe dementia (FTD) or frontotemporal lobar degeneration (FTLD). (medscape.com)
- In recent years, the term frontotemporal dementia has become an umbrella term referring to clinical syndromes of frontal dementia or progressive aphasia. (medscape.com)
- Despite its name, Primary Progressive Aphasia (PPA) is a type of frontotemporal dementia. (atlasaphasia.org)
Hemisphere5
- Broca's area, or the Broca area (/ˈbroʊkə/, also UK: /ˈbrɒkə/, US: /ˈbroʊkɑː/), is a region in the frontal lobe of the dominant hemisphere, usually the left, of the brain with functions linked to speech production. (wikipedia.org)
- Aphasia may occur secondary to brain injury or degeneration and involves the left cerebral hemisphere to a greater extent than the right. (medscape.com)
- Left-handed individuals may develop aphasia after a lesion of either hemisphere, but the syndromes from left hemisphere injury may be milder or more selective than those seen in right-handed people, and they may recover better. (medscape.com)
- Because of the damage to the left hemisphere of the brain, many people with aphasia also have weakness on the right side of the body. (aphasia.com)
- Various pathways connect Broca area to the frontal lobe, basal ganglia, cerebellum, and contralateral hemisphere. (standardofcare.com)
Awareness Month3
- As we said at the end of our Aphasia Awareness Month video , we could all use more understanding in this world. (aphasia.org)
- LOS ANGELES, CA, UNITED STATES, June 21, 2022 / EINPresswire.com / -- June is Aphasia Awareness Month, an ideal time to shed some light on this little-known condition, which has been in the news lately due to Bruce Willis. (einpresswire.com)
- This devastating condition is called aphasia, and June has been Aphasia Awareness Month. (health.mil)
Neurodegenerative1
- Patients with neurodegenerative diseases or mass lesions may develop aphasia insidiously. (medscape.com)
Patients2
- Regardless of the type of aphasia, there is really no cure for it once someone develops it, but treatments can significantly enhance patients' ability to communicate and live their lives to the fullest. (einpresswire.com)
- La morbidité et la mortalité liées à cette maladie dépendent de la prise en charge des patients aussi bien en communauté que dans les formations sanitaires (FOSA). (bvsalud.org)
Typically3
- Medication isn't typically effective in treating aphasia. (healthline.com)
- Since strokes typically occur in elderly people because of cardiovascular problems, incidents of treating and evaluating people with aphasia would be higher in a veterans' hospital. (health.mil)
- Typically, aphasia is not seen as a result of blast injuries, Mikola said, though there are exceptions. (health.mil)
Patient4
- The treatment of a patient with aphasia depends on the cause of the aphasia syndrome. (medscape.com)
- Hematoxylin and eosin stain of the left frontal cortex from a patient with primary progressive aphasia. (medscape.com)
- As time passes, the patient starts showing signs of aphasia and his speech begins to get blurred and difficult to understand. (bestmedicalforms.com)
- The aphasia wallet card is always put in a patient with aphasia to avoid any unwanted situation. (bestmedicalforms.com)
Agraphia1
- Encompassed under the term aphasia are selective, acquired disorders of reading (alexia) or writing (agraphia). (medscape.com)
Patient's1
- Though MIT has been supported as a preferred method for increasing fluency in those with aphasia, it remains unclear if the patient's previous musical ability is a factor in the success of this technique. (loyola.edu)
Afasia3
- Objetivo: Testar a eficácia terapêutica de um programa de reabilitação de linguagem através da música, com base na TEM, numa paciente com diagnóstico de afasia de Broca pós Acidente Vascular Cerebral (AVC) no hemisfério esquerdo (HE). (bvsalud.org)
- Participante: sexo feminino (G.), destra, 46 anos de idade, pós AVC isquêmico há aproximadamente cinco anos com consequente afasia de Broca. (bvsalud.org)
- Desta forma, pode-se concluir que a TEM semostrou eficaz para um caso de afasia de Broca. (bvsalud.org)
Disorder2
- It is due to a disorder that affects the dominant left frontal or frontoparietal area, including the Broca area. (msdmanuals.com)
- Aphasia is a disorder of the central nervous system in which one who is affected is unable to speak well as he is expected to. (bestmedicalforms.com)
Transcortical1
- Mixed transcortical aphasia is similar to global aphasia, but with the ability to repeat. (atlasaphasia.org)
Depends2
- The severity of the aphasia depends on the amount and location of the damage to the brain. (ucsf.edu)
- People with global aphasia can often evolve toward a different subtype of aphasia with time and/or speech therapy, but prognosis depends on the extent of the damage that caused the aphasia. (atlasaphasia.org)
Anomia1
- Anomia (the inability to name objects) usually occurs in all forms of aphasia. (msdmanuals.com)
Chronic1
- Taken together, these results suggest that spectral resting-state EEG holds promise for sensitive measurement of functioning and change in persons with chronic aphasia. (frontiersin.org)
Speech5
- Speech and Hearing Associates announces groups for persons with Aphasia. (speechandhearingassoc.com)
- Speech and Hearing Associates also provides Speech Evaluations to diagnose Aphasia. (speechandhearingassoc.com)
- Aphasia, non-fluent - Characterized by awkward articulation, limited vocabulary, hesitant, slow speech output, restricted use of grammatical forms and a relative preservation of auditory comprehension. (casperdetoledo.com)
- Mikola, who has a Ph.D. in speech pathology, said she's currently working with a service member in his mid-30s, who has aphasia due to a cardiovascular disease and an arterial problem. (health.mil)
- Some infections are also known to cause aphasia resulting from the infection of the speech area in the brain as well. (bestmedicalforms.com)
Occurs1
- This aphasia occurs when the area of the brain responsible for processing spoken words and attaching meaning to them is damaged. (atlasaphasia.org)
Unclear1
- While Willis and his family are to be applauded for bringing aphasia into the light-it's the first time many had heard of it-most people are still unclear about what aphasia is, its effects, and the best ways of dealing with it. (einpresswire.com)
Deficits1
- Describing the types of deficits is often the most precise way to describe a particular aphasia. (msdmanuals.com)
Alzheimer's1
- A most important example of primary progressive aphasia is Alzheimer's disease. (bestmedicalforms.com)
People5
- People who have aphasia can have trouble with things like speaking, reading, or listening. (healthline.com)
- Research estimates about 1 million people in the United States are living with aphasia. (healthline.com)
- The Aphasia therapy group will bring together people facing similar difficulties. (speechandhearingassoc.com)
- Sometimes, people who are suffering from aphasia are also not able to write properly. (bestmedicalforms.com)
- Sometimes people will have aphasia that does not fit neatly into one of these categories. (atlasaphasia.org)
Damage4
- Aphasia almost always results from injury or damage to one or more areas of the brain. (bioprepwatch.com)
- If damage encompasses both Wernicke's and Broca's areas, global aphasia can occur. (ucsf.edu)
- While Bruce Willis' family has not disclosed the cause of his aphasia, according to the Mayo Clinic, the condition can also gradually occur "from a slow-growing brain tumor or a disease that causes progressive, permanent damage. (einpresswire.com)
- Damage to Broca's area because of any reason may result in aphasia. (bestmedicalforms.com)
Adults1
- For over two million adults living with aphasia in the United States, effective neurorehabilitation will be critical to successful return to everyday life pursuits. (frontiersin.org)
Type3
- Three independent judges, blind to aphasia type, classified all responses retained as semantic substitutions into one of the following four categories: those having 1) a strong similarity, 2) a strong contiguity, 3) a mild similarity, and 4) a mild contiguity relation to the correct word. (edu.au)
- A person with this type of aphasia is relatively functional with speaking, understanding, reading, and writing. (atlasaphasia.org)
- There is one more type of aphasia that is different from those mentioned above. (atlasaphasia.org)
Global2
- Others with aphasia struggle with both using words and understanding (global aphasia). (ucsf.edu)
- Global aphasia- May be completely unable to speak, name objects, repeat phrases or follow commands. (speechandhearingassoc.com)
Severity1
- In 1983, the Aachen Aphasia test, a standardized test for determining the form and severity of aphasia, was developed in Germany. (bioprepwatch.com)
Mild1
- This is a more mild aphasia. (healthline.com)