Most brain serotonin is released from locations at the base of the brain called the:
A) raphe nuclei.
B) amygdala.
C) medulla.
D) reticular formation.

Question

Quizplus · Accepted Answer

The raphe nuclei are a group of nuclei located in the brainstem known to be the primary source of serotonin release in the brain, which plays a crucial role in regulating mood, anxiety, and sleep among other functions.

Most Brain Serotonin Is Released from Locations at the Base