As emotions rise and fall in everyday life, your brain keeps up, constantly adjusting. These transitions between feelings—like joy, sadness, or fear—aren’t just random reactions. They’re part of a ...

Fast and slow signals, one continuous mind What makes this timing system powerful is not just that different regions have different speeds, but that the brain constantly blends them into a single, ...

Déjà vu, a fleeting sensation of having experienced a present moment before, arises from a brief misfire in the brain's ...

Recent work has revealed some of the many crucial functions of astrocytes, brain cells that were once thought to play primarily supportive roles for neurons. Astrocytes do handle debris around neurons ...

The human brain contains about 86 billion neurons. These cells fire electrical signals that help the brain store memories and send information and commands throughout the brain and the nervous system.