Is Serotonin Linked To Aggression?

Is Serotonin Linked To Aggression? There is a high density of serotonin type 2 receptors in the prefrontal cortex,5 an area that has been implicated in aggressive and violent behavior. Higher density of this receptor has been noted in the postmortem brain of suicide victims, especially in the prefrontal area. Does low serotonin cause impulsivity?