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 ...

W e all subtly mirror the facial expressions of the people around us, smiling when they smile, furrowing our brows in concert ...

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

This 1936 portrait by Dorothea Lange shows Florence Owens Thompson with several of her children in a photograph known as "Migrant Mother." Source: Dorothea Lange/Public Domain Photographers and ...

Whether at a birthday party in Brazil, a funeral in Kenya, or protests in Hong Kong, humans all use variations of the same facial expressions in similar social contexts, such as smiles, frowns, ...

We know our faces may give away our fibs -- whether it's shifty eyes, a sweaty upper lip, a slight smirk, or Pinocchio's fictitious lengthening nose. Now a new study reveals that muscles in the upper ...

If you smiled at someone and they didn't smile back, you'd probably find it off-putting. Well, that's what usually happens if you smile at a humanoid robot … but not in the case of the ...