Card 11 / 16: A general principle of cortical organization is that sensory information and motor control for each half of the body are on the opposite side of the brain. Occlusion of the right middle cerebral artery, as occurred here, will likely result in:
A.)
Decreased sensation on the left arm and hand.
B.)
Decreased motor control of the left arm and hand.
C.)
Decreased speech comprehension (receptive aphasia).
D.)
A and B.
E.)
A, B and C.
Answer:
D.) A and B.
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The primary visual cortex is located on either side of the calcarine fissure of the occipital lobe, which is supplied by the posterior cerebral artery. The arrow points to the occipital pole.
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Ch 02: External Features of the Brain
Author:
M.D.Stephen VoronLecturer
University of Utah
USA
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