Scroll TikTok long enough and you’ll start to notice it: a subtle but unmistakable expression showing up in selfies and videos. The upper lip lifts slightly while the lower lip tucks upward, creating ...

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 ...

The study centered around male and female adult domestic shorthairs that had each been neutered or spayed Nicholas Rice is a Senior News Editor, Weekends for PEOPLE Magazine. He began working with the ...

Humans perceive emotional expressions displayed by non-human primates and spontaneously mimic these expressions, according 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 ...

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 ...