The answer lies in a surprising blend of facial anatomy, neurology and emotional authenticity. ... which sends signals from the brain to the muscles of facial expression.

Learning From The Dead: What Facial Muscles Can Tell Us About Emotion Date: June 17, 2008 Source: University of Portsmouth Summary: Laugh and the world laughs with you, but wrinkle your nose and ...

Dogs possess facial muscles that wolves do not, according to the study. Dog owners convinced that their pup could convey a range of expressions through their eyes now have scientific evidence to ...

What a gorilla named Lia taught scientists about human facial expressions ... you’d see a gradual increase in the complexity of the lower facial muscles — important in ... So an anatomy lab ...

In the study, researchers analyzed the anatomy of tiny muscles used to form facial expressions called mimetic muscles. In humans, these muscles are dominated by "fast-twitch" myosin fibers that ...

Analysis: What makes a smile feel sincere or fake is due to a surprising blend of facial anatomy, neurology and emotional authenticity. By Michelle Spear, University of Bristol. You've probably ...

Bell's palsy is facial nerve disorder that causes weakness of the muscles on one side of the face. Its cause is unknown but most people make a full recovery within 8 to 12 weeks.