Researchers find that the amygdala is a sophisticated mediator that chooses between action-based and stimulus-based learning ...

A new study shows macaque species with more tolerant social systems have larger brain regions linked to emotions and social signals.

Researchers have found that the size of the amygdala—a region of the brain involved in processing emotions—could be linked to ...

I’ve been studying the amygdala for more than 30 years. When I started this work, research on this brain region was a lonely field of inquiry. The hippocampus was all the rage, and I sometimes felt ...

In our brains there is a structure called the amygdala. It is within our medial temporal lobe, shaped something like an almond, and has been widely studied due to the important role it plays in human ...

Picture a star-shaped cell in the brain, stretching its spindly arms out to cradle the neurons around it. That's an astrocyte, and for a long time, scientists thought its job was caretaking the brain, ...

A Dartmouth study challenges the conventional view that the amygdala—the two-sided structure deep in the brain involved in emotion, learning, and decision making—is simply the brain's primitive "fear ...

Forget crowd sizes — a new study confirms that conservatives boast slightly larger amygdalas, the part of the brain that plays a key role in identifying and reacting to potential threats, compared ...

The finding reframes a brain region long tied to aggression as a core component of how primates manage complex social relationships.