A key motor function of the reticular formation is to
A) directly excite spinal cord alpha motor neurons.
B) facilitate movements through inhibition of the internal division of the globus pallidus.
C) excite noradrenergic neurons within the substantia nigra.
D) control muscle tone through the gamma motor system.
E) control the activity of the cerebellum.

Question

Quizplus · Accepted Answer

The reticular formation controls muscle tone through the gamma motor system, which adjusts the sensitivity of muscle spindles and regulates muscle stiffness and resistance to stretch.

A Key Motor Function of the Reticular Formation Is to