Motor Systems

Question 1

corticospinal tract (pyramidal tract) and the corticonuclear fibers are the pathways of?

Answer 1

pathways of voluntary movements.

Question 2

What does the cortex control through the pathways of voluntary movements (also: corticospinal tract (pyramidal tract) and the corticonuclear fibers)

Answer 2

the subcortical motor centers.

Question 3

Where does the fibers of the corticospinal tract originate in which areas?

Answer 3

in the precentral areas 4 and 6

in regions of the parietal lobe (areas 3, 1, and 2)

in the second sensorimotor area (area 40)

(1,2,3,4,6,40)