“drugs that decrease “serotonergic tone” (i.e., decreasing serotonin levels or sensitivity to serotonin) increase impulsive aggression; raising the tone does the opposite. This generates some simple predictions—all of the following should be associated with impulsive aggression, as they will produce… — Robert M. Sapolsky Copy Share Image
“As work continued, an important qualifier emerged. Low serotonin didn’t predict premeditated, instrumental violence. It predicted impulsive aggression, as well as cognitive impulsivity (e.g., steep temporal discounting or trouble inhibiting a habitual response). Other studies linked low serotonin to impulsive… — Robert M. Sapolsky Copy Share Image
