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NBME 21 Answers

nbme21/Block 2/Question#44

A 75-year-old man has the sudden onset of partial ...

Parietal lobe, left

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submitted by hayayah(413),

lower quadrantanopia: parietal lesion

vs upper quadrantanopia = temporal lesion

mcl  also, to differentiate whether it is the left or right parietal lobe, recall that stimuli from the left visual field hits the nasal side of the left retina and the temporal side of the right retina, then goes to the right side of the brain. [This figure](https://operativeneurosurgery.com/lib/exe/fetch.php?w=600&tok=856a37&media=optictract.jpg) is helpful. +1  
d_holles  So you're saying that there's two crosses, making it ipsilateral? @mci +