In a neurophysiological investigation, a monkey makes an involuntary gesture when a portion of its brain is electrically stimulated. The area of the brain that was most likely stimulated is the:
A) sensory area of the cortex.
B) motor area of the cortex.
C) association area of the cortex.
D) occipital lobe.

Question

Quizplus · Accepted Answer

The motor area of the cortex is responsible for controlling voluntary muscle movements. Electrical stimulation of this area can cause involuntary gestures or movements, as the stimulation bypasses the brain's normal voluntary control mechanisms.

In a Neurophysiological Investigation, a Monkey Makes an Involuntary Gesture