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

Refined low-fiber diets disrupt amygdala function and emotional memory in seniors, independent of high fat or sugar intake.

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 ...

There is tremendous interest in the question of how salient, emotional and socially-charged visual stimuli are processed by the brain. This topic is important because it addresses a fundamental ...

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

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 ...

One of the characteristics of depression is a tendency to perceive sensory stimuli and everyday situations in an excessively negative way. But the mechanisms underpinning this "negativity bias," which ...

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 at Yerkes National Primate Research Center, Emory University have found that the amygdala has an inhibitory ...