24 Flashcards
No phonation
mutism
abn articulation due to impaired motor control –> slurring
dysarthria
abn phonation –> abn volume
dysphonia
errors due to word or sound substitution
paraphasia
e.g. “fork” instead of “spoon”
semantic paraphasia
e.g. “moon” for “spoon”
phonemic paraphasia
creation of a meaningless word
neologism
Tone, inflection and volume of words, which add meaning to language
prosody
area 22
Wernicke’s
areas 44, 45
Broca’s
Comprehension + production of language intact
Conduction aphasia
Difficulty with syntax, grammar and producing certain words
Broca aphasia
Difficulty repeating words
Conduction aphasia
Receptive or sensory aphasia
Wernicke aphasia
Comprehension intact
Broca aphasia
Difficulty with comprehension
Wernicke aphasia
Speech, syntax and grammar intact, but nonsensical words/phrases produced
Wernicke aphasia
Most R handed people + 65% of L handed people are __ hemisphere dominant
L
Functions of L hemisphere:
analysis of R visual field
lexical and syntactic language
writing
speech
Functions of R hemisphere:
analysis of L visual field
emotional coloring of language
rudimentary speech
Lesion location of conduction aphasia?
supramarginal gyrus and arcuate fasciculus
MC cause of conduction aphasia?
occlusion of angular branch of L middle cerebral artery
Lesion location in transcortical motor aphasia?
L ant frontal lobe (sup or inf to Broca’s)
Lesion location in transcortical sensory aphasia?
border zone between L middle cerebral and post cerebral arteries
Lesion location in mixed transcortical aphasia?
border zone between L middle cerebral and ant cerebral arteries
Lesion in Gerstmann syndrome?
L angular gyrus (#39)
Lesion location in alexia without agraphia?
L medial occipital and medial temporal libe involving splenium of corpus collusum
Cause of alexia without agraphia?
branch occlusion of L post cerebral artery
