Which regions of the body have the greatest representation in the primary motor cortex?
A) Areas related to visual processing
B) Areas involved in fine motor control
C) Regions with the most muscle mass
D) Muscles involved in the fight-or-flight response
E) The palms of the hands

Question

Quizplus · Accepted Answer

The primary motor cortex is responsible for voluntary movements and particularly fine motor control. Therefore, the regions of the body with the greatest representation in the primary motor cortex are those involved in fine motor control, such as the hands and face.

Which Regions of the Body Have the Greatest Representation in the Primary