Which of the following brain regions contributes fibers to the corticospinal tract?
A)Somatic sensory cortex
B)Supplemental motor area
C)Primary motor cortex
D)All of the above

Question

Quizplus · Accepted Answer

The corticospinal tract is composed of fibers originating from several areas of the brain, including the somatic sensory cortex, supplemental motor area, and primary motor cortex, thus all the options listed contribute fibers to it.

Which of the Following Brain Regions Contributes Fibers to the Corticospinal