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A 66-Year-Old Man Has Difficulty Controlling Voluntary Movements

Question 13

Multiple Choice

A 66-year-old man has difficulty controlling voluntary movements. He can clearly state what he intends to do, describe how he would do it, and initiate or stop the movement. However, he has poor coordination and often misses his target. If his difficulty arises from a defect in one particular area of the central nervous system, which area is most likely to be involved?


A) Association cortex
B) Primary motor cortex
C) Muscle spindles
D) Spinocerebellum

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