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.

Scientists call this phenomenon emotional mimicry. Biologists and psychologists consider this automatic matching of another’s ...

With thousands upon thousands of words in the English language, some are bound to have different meanings and uses. An idiom is defined as "an expression in the usage of a language that is peculiar to ...

(CNN) — Ears flattened, constricted pupils, a lick of the lips. If you’ve ever wondered if your feline friends’ furry faces were saying something whenever they got together, chances are they were. In ...

Humans perceive emotional expressions displayed by non-human primates and spontaneously mimic these expressions, according to a study published in the open-access journal PLOS One by Ursula Hess from ...

Researchers used an algorithm to allow people to refine what they thought the facial expression of a particular emotion should look like. The results show profound individual differences, suggesting ...