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 emotion, learning, and decision making—is simply the brain's primitive "fear ...

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 ...

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

When footage of free solo climber Alex Honnold scaling near-vertical rock faces without ropes circulates online, the reaction is almost universal. Disbelief, anxiety, and an instinctive tightening in ...

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

Food choices can affect not only the body but also the brain, especially as people grow older. Scientists have long known that highly processed foods can contribute to health problems such as obesity, ...