The fact that the right side of the brain controls the left side of the body is explained by the
A) division of the cerebrum into two hemispheres.
B) division of the cerebellum into two hemispheres.
C) decussation of the pyramids in the medulla.
D) need for contra-lateral control of body function.
E) brainstem being below the midbrain.

Question

Quizplus · Accepted Answer

The decussation of the pyramids in the medulla is where the crossing over of the nerve fibers occurs, explaining why the right side of the brain controls the left side of the body and vice versa.

The Fact That the Right Side of the Brain Controls