Brain Lesions and the Associated Findings

by / Monday, 16 August 2010 / Published in Anatomy

BRAIN LESIONS

LESION AREA RESULT OF LESION
Broca’s Area Patient has expressive aphasia (can’t speak), has good understanding of speech
Wernicke’s Area Patient has inability to comprehend speech, can speak well
Frontal Lobe Personality changes, defects in judgement (ie Frontal release signs)
Arcuate Fasciculus Patient has good language comprehension with poor ability to speak in repetition
Amygdala Kluver-Bucy Syndrome – patient becomes hypersexual, hyperoral, and has disinhibited behavior
Right Parietal Lobe Patient has “spatial neglect”, thus do not recognize the contralateral side of the lesion
Mammilary Bodies Confabulations, anterograde amnesia
Basal Ganglia Resting tremor
Cerebellar Vermis Truncal ataxia and dysarthria
Cerebellar Hemisphere Intention tremor, ataxia of limbs

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