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

question 214

Multiple Choice

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.