Facial expressions may appear spontaneous, but new research shows the brain begins preparing them long before the face ...

Facial expression control starts in a very old part of the nervous system. In the brain stem sits the facial nucleus, which ...

When a baby smiles at you, it's almost impossible not to smile back. This spontaneous reaction to a facial expression is part of the back-and-forth ...

Facial mimicry refers to automatic copying of another person’s facial expressions. When one person smiles, a listener may ...

Facial expressions play a fundamental role in social communication. While it is well established that others’ expressions influence our behavior—such as approaching a smiling person or avoiding an ...