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.

Analysis of more than 1,500 natural conversations suggests that humans may have evolved more complex facial muscle movements to help us bond with each other. In the first part of the study, ...

Turning 30 doesn't instantly transform your reflection, but it does trigger a silent biological pivot. You might notice your skin takes longer to bounce back after a late night or that the natural ...

Each year, approximately 15 million people suffer a stroke. Many subsequently suffer from facial paralysis, in which the facial muscles weaken. The quality of life of those affected is severely ...