Electrical stimulation of the ________ in dogs was shown by Fritsch and Hitzig in 1870 to result in ________.
A) pineal gland; contraction of the facial muscles
B) parietal cortex; the sensation of high frequency sound
C) corpus callosum; paralysis of both hind legs
D) primary motor cortex; muscle contraction on the opposite side of the body
E) left globus pallidus; atrophy of muscles on the right side of the body

Question

Quizplus · Accepted Answer

Fritsch and Hitzig's experiments showed that electrically stimulating the primary motor cortex of dogs resulted in muscle contractions on the opposite side of the body. This was the first demonstration of a direct connection between brain activity and voluntary movement.

Electrical Stimulation of the ________ in Dogs Was Shown by Fritsch