Individual differences in motivation for engaging in or avoiding aggressive social interaction are mediated by the basal forebrain, lateral habenula circuit in the brain, according to a study from the Icahn School of Medicine at Mount Sinai. The study focuses on identifying the mechanisms by which specific brain reward regions interact to modulate the motivational… Read more

Individuals with a psychiatric disorder involving recurrent bouts of extreme, impulsive anger— road rage, for example— are more than twice as likely to have been exposed to a common parasite than healthy individuals with no psychiatric diagnosis. In a study involving 358 adult subjects, a team led by researchers from the University of Chicago found… Read more

The ominous behaviors that often precede violent acts, such as stalking, bullying, and possibly sexual aggression, are tied to a distinct part of the hypothalamus, the brain region that also controls body temperature, hunger, and sleep in mammals, new research shows. The structure is anatomically known as the ventrolateral part of the ventromedial hypothalamus, or… Read more

New evidence shows mice have a brain structure that throttles rage. The structure is called the lateral septum. It’s physically connected to and receives electrical signals other parts of the brain that control emotions, learning, aggression, and hormone production. Damage to the lateral septum can trigger a cascade of activity in other brain regions that… Read more

Individuals experiencing anger, contempt and disgust are more likely to act and behave in a hostile manner toward those they disagree with, new research from San Francisco State University shows. Past research had demonstrated an association between these emotions, collectively known in the field as ANCODI, and hostility, but the new study published today in… Read more