The area of the motor cortex that is devoted to a particular region of the body is proportional to the
A) number of motor units in that region.
B) size of the nerves that serve the area of the body.
C) size of the body area.
D) number of sensory receptors in the area of the body.
E) distance of the body area from the brain.

Question

Quizplus · Accepted Answer

The motor cortex allocates more area to body regions with a higher number of motor units, which allows for finer motor control, such as the hands and face.

The Area of the Motor Cortex That Is Devoted to a Particular