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

A Dartmouth study challenges the conventional view that the amygdala—the two-sided structure deep in the brain involved in ...

Picture a star-shaped cell in the brain, stretching its spindly arms out to cradle the neurons around it. That's an astrocyte ...

Fear is an adaptive emotion that helps us cope with threatening situations. Deep within the temporal lobe of the brain is the amygdala, the most studied brain area involved in fear. The amygdala uses ...

In contrast to evidence that the amygdala stimulates stress responses in adults, researchers at Yerkes National Primate Research Center, Emory University have found that the amygdala has an inhibitory ...

A new study shows that a lack of dietary fiber leads to rapid inflammation in the aging brain's amygdala, impairing emotional memory.

Neuroimaging measures of emotional brain function after acute trauma may help predict whether a person will develop posttraumatic stress disorder (PTSD), according to a new study. The study reports an ...

Drawings of the monkey brain, left, in which each color represents a group of related brain regions. The graph on the right shows how these regions are connected to each other. Each region is ...

In contrast to evidence that the amygdala stimulates stress responses in adults, researchers have found that the amygdala has an inhibitory effect on stress hormones during the early development of ...