loading...| Preferred Name | Disturbances of language and speech | |
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| ID |
http://purl.obolibrary.org/obo/Disturbances_of_language_and_speech |
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| definition |
Sub-grouping variable containing signs and symptoms associated with disturbances of language and speech. These include aphasia, language impairment, word-finding, and communication. Definition: Aphasia (dysphasia) is the inability to comprehend or produce language (spoken or written). It often occurs following damage to particular brain regions following a trauma or injury to the head, vascular insult such as with cerebrovascular accident (CVA; stroke), or as a consequence of neurodegenerative diseases. All components of the language network are interconnected so deficits arising from injury will depend on the number and distribution of brain regions affected. Affected language aspects include word-finding, word choice, comprehension, spelling, or grammar. Aphasias caused by CVA are generally sudden onset and may be severe whereas aphasias caused by neurodegenerative diseases usually have an insidious onset with a steady and relentless progression. Hence, aphasia arising from neurodegenerative diseases are referred to as primary progressive aphasia (PPA) and can be classified as Agrammatic PPA, Semantic PPA or Logopenic PPA. The neurodegenerative disease most commonly associated with PPA include Alzheimer’s disease and frontotemporal dementias. Signs/symptoms of aphasia are generally only reported in the NBB reports in a subjective manner (i.e. only an example of an individual’s speech/language problem is provided) rather than an objective assessment. Therefore, it is not possible to classify disturbances in language, comprehension and communication as agrammatic, semantic or logopenic aphasias. |
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| id |
Disturbances_of_language_and_speech http://purl.obolibrary.org/obo/Disturbances_of_language_and_speech |
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| label |
Disturbances of language and speech |
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| notation |
Disturbances:of:language:and:speech |
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| prefLabel |
Disturbances of language and speech |
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| treeView |
http://purl.obolibrary.org/obo/Other_signs_and_symptoms_of_cortical_dysfunction |
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| subClassOf |
http://purl.obolibrary.org/obo/Other_signs_and_symptoms_of_cortical_dysfunction |