Post-mortem studies of people who have committed suicide have found consistent evidence for a hypoactive _____ system.
A) serotonin
B) dopamine
C) norepinephrine
D) melatonin
E) epinephrine

Question

Quizplus · Accepted Answer

Post-mortem studies consistently show lower levels of serotonin in the brains of individuals who have died by suicide. Serotonin plays a role in regulating mood and impulsivity, and lower levels may contribute to increased risk for suicide.

Post-Mortem Studies of People Who Have Committed Suicide Have Found