Flashcards in W21-L10: Disorders of Language Deck (13):
A disturbance in language as a result of brain damage
Describe the Hemispheric dominance
Right hemisphere for visuospatial function and left hemisphere for language
What does the superior division of the middle cerebral artery supply?
-Ventrolateral prefrontal cortex
What does the inferior division of the middle cerebral artery supply?
What are characteristics of non-fluent aphasia and what is it called?
-Loss of grammatical (sequential) structure
-Intact selection of content
What are characteristics of fluent aphasia and what is it called?
-Impaired selection of content
-Intact grammatical (sequential) structure
What is the Arcuate Fasciculus?
A hypothetical white matter tract that connects areas of language together (Broca's and Wernicke's)
What are the symptoms of the syndrome of wernicke's aphasia?
-Fluent jargonistic language output
-No motor weakness
What are the symptoms of the syndrome of Broca's aphasia?
-Non-fluent, highly effortful language output
-Right face and arm weakness
What is conduction aphasia?
-Fluent aphasia, but more meaningful than Wernicke’s type
-Relatively intact basic auditory comprehension
-Poor repetition of words
What is the suspected lesion that causes conduction aphasia?
Lesion of the arcuate fasiculus tract
What is transcortical motor aphasia?
-Muteness at most severe
-Repetition is preserved