Anxiety is no longer being viewed merely as a psychological feeling of fear or unease. Increasingly, neurologists and endocrinologists are describing it as a "neuroendocrine imbalance," a problem ...

A little-known brain region helps us decide when to panic and relax, reshaping our understanding of how fear works. Fear is a fundamental emotion embedded early in evolution to guarantee our survival.

Researchers at Tulane University have identified brain circuits that help determine how fear responses change as perceived threats diminish, offering new insight into how the brain regulates defensive ...

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, ...

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 haunted houses across the country this month, threatening figures will jump out of the shadows, prompting visitors—wide-eyed and heart racing—to instinctively freeze and flee. Evolutionarily ...

Using mouse models, the researchers have identified a novel life-preserving circuit that is responsible for recognizing and remembering threats, as well as activating the brain to respond to danger.