A lesion in which structure would cause a person to have an erratic waking/sleeping cycle?
A) Satiety center
B) Mammillary nucleus
C) Suprachiasmatic nucleus
D) Pituitary gland
E) Medial geniculate nucleus

Question

Quizplus · Accepted Answer

The suprachiasmatic nucleus (SCN) is a small region in the hypothalamus that plays a key role in regulating the circadian rhythm. A lesion in this area would disrupt the normal cycle of sleeping and waking, leading to erratic patterns.

A Lesion in Which Structure Would Cause a Person to Have