Which of the following structures are important to the regulation of mood, states of arousal, and sleep?
A) the vestibular nucleus and the cochlear nucleus
B) the raphe nuclei and the locus coeruleus
C) the red nucleus and substantia nigra
D) periaqueductal gray and the red nucleus

Question

Quizplus · Accepted Answer

The raphe nuclei and the locus coeruleus are both important structures in the regulation of mood, states of arousal, and sleep. The raphe nuclei, located in the brainstem, release serotonin which plays a role in modulating mood, anxiety, and sleep. The locus coeruleus, located in the pons, releases norepinephrine which plays a role in regulating arousal and attention.

Which of the Following Structures Are Important to the Regulation