Question

Much of what we know about left and right hemisphere specializations comes from the study of people who had split-brain surgery. This surgery _____ Select one:

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.

Answer 1

b. severs the corpus callosum between hemispheres.

Explanation:

The split-brain surgery is used to alleviate epileptic seizures. It involves the severing of the corpus callosum, that is the bond between both hemispheres of the brain.

So the correct answer is:

b. severs the corpus callosum between hemispheres.