For many people, keeping their balance with their eyes closed is more difficult that keeping it with their eyes open. What part of the motor control circuitry may have a direct role in this difference?

Question

Quizplus · Accepted Answer

The cerebellum plays a crucial role in balance and coordination, and receives input from multiple sensory modalities including vision. When vision is taken away, the cerebellum has to rely more heavily on other sensory inputs to maintain balance, which can be more challenging for some individuals. The basal ganglia, reticular formation, and substantia nigra are involved in motor control, but do not play as direct of a role in balance as the cerebellum.

For Many People, Keeping Their Balance with Their Eyes Closed