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?

Question

Quizplus · Accepted Answer

The spinocerebellum is responsible for coordinating voluntary movements and ensuring they are smooth and accurate. A defect in this area can lead to poor coordination and difficulty in hitting targets, as described in the scenario.

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