Every time we smile, grimace, or flash a quick look of surprise, it feels effortless, but the brain is quietly coordinating an intricate performance. This study shows that facial gestures aren't ...

Facial expressions arise from brain networks that encode slow, context-rich meaning and fast muscle control on different time scales, keeping smiles and threats socially precise.

New work demonstrates how neural circuits in the brain and muscles of the face work together to respond physically to social cues When a baby smiles at you, it’s almost impossible not to smile back.

Every time we smile, grimace, or flash a quick look of surprise, it feels effortless, but the brain is quietly coordinating an intricate performance. This study shows that facial gestures aren’t ...

Facial nerve paralysis describes weakness in the muscles on one or both sides of your face that causes an inability or reduced ability to smile, blink, or control other facial movements. It happens ...