Much of what we know about left and right hemisphere specializations comes from the study of people who had split-brain surgery. This surgery _____
A)splits the lobes of the brain apart.
B)severs the corpus callosum between hemispheres.
C)severs the nerves from the spinal cord to the right hemisphere.
D)severs the substantia nigra between hemispheres.

Question

Quizplus · Accepted Answer

Split-brain surgery involves severing the corpus callosum, which is the bundle of nerve fibers that connects the two hemispheres of the brain. This allows researchers to study the functions of each hemisphere independently by presenting stimuli to only one side of the body and observing the responses of each hemisphere separately.

Much of What We Know About Left and Right Hemisphere