Neuroscience MCAT Practice Question
A patient suffers a stroke affecting the left middle cerebral artery (MCA) territory, resulting in damage to Broca's area. Clinical assessment reveals non-fluent speech production with relatively preserved comprehension. Neuroimaging shows preserved function in Wernicke's area in the superior temporal gyrus. Based on localization of language function, what is the primary deficit?
Answer choices
- AReceptive language comprehension impairment
- BGlobal aphasia affecting both expression and comprehension equally
- CExpressive (Broca's) aphasia with agrammatism and anomiaCorrect answer
- DConduction aphasia with fluent but meaningless speech
- EAlexia without agraphia from angular gyrus involvement
- FWernicke's aphasia with fluent but comprehension-deficient speech
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