A lesion in the hypothalamus can lead to decreased activity in the cerebral cortex, even though the cerebral cortex is undamaged. The decreased activity in the cortex because of the loss of incoming neurons is called:
A) diaschisis.
B) deafferentation.
C) cytotoxicity.
D) hyperpolarization.

Question

Quizplus · Accepted Answer

Diaschisis refers to the decreased activity in a part of the brain due to a lesion in a different, but connected, area. In this case, the lesion in the hypothalamus affects the cerebral cortex, leading to decreased activity despite the cortex itself being undamaged.

A Lesion in the Hypothalamus Can Lead to Decreased Activity