Severe, treatment-resistant epilepsy is sometimes treated with surgery resulting in split-brain. Which part of the brain is surgically altered?
A)The frontal lobes
B)The corpus callosum
C)The hypothalamus
D)The left hemisphere

Question

Quizplus · Accepted Answer

Split-brain results from severing the corpus callosum, which connects the right and left hemispheres. Following this surgery, the two hemispheres can no longer communicate. A classic study of split-brain patients flashed the letters "HE" in the left visual field and the letters "ART" in the right visual field. Patients were able to verbalize "ART" since it registered in the left hemisphere, but could not verbalize the word (HEART).

Severe, Treatment-Resistant Epilepsy Is Sometimes Treated with Surgery Resulting in Split-Brain