A smile can get you a long way with people – and animals, it turns out. Horses can distinguish between happy and angry facial expressions on humans, a new study has shown for the first time. The 28 ...

The ability of people with autism to accurately identify facial expressions is affected by the speed at which the expression is produced and its intensity, according to new research. Autistic people's ...

Angry facial expressions produced at real world speeds are harder for people with autism to recognize than other facial expressions, a new study finds. Both the intensity of an expression and the ...