What facial expressions are talking about is an interesting article that, in an interactive presentation, will tell you what facial expressions are and what facial features are responsible for a certain mood of a person.
Mimicry - expressive movements of the muscles of the face, which is one of the forms of manifestation of certain feelings of a person.
In a sad person, the inner ends of the eyebrows are raised and brought to the bridge of the nose, the eyes are slightly narrowed, and the corners of the mouth are lowered. Sometimes you can observe a slight twitching of the slightly extended chin.
Happiness. The forehead and eyebrows are at rest, the lower eyelids are raised but not tense. The outer corners of the eyes have wrinkles called spider's or crow's feet. The corners of the lips are pulled to the sides and raised.
The muscles of the forehead are pushed inward and downward, organizing a threatening or frowning expression in the eyes, the nostrils are dilated and the wings of the nose are raised, the lips are either tightly compressed or pulled back, taking a rectangular shape and exposing clenched teeth, the face often turns red.
Surprise. The eyebrows are raised, horizontal wrinkles may form on the forehead. The upper eyelids are raised and show the sclera, the lower eyelids are relaxed. The lips are relaxed and parted.
The eyebrows are lowered, the nose is wrinkled, the lower lip is protruding or raised and closed with the upper lip, the eyes seem to squint, the person seems to choke or spit.
Depicting contempt, a person becomes taller: he straightens up, slightly tilts his head and looks at the source of emotion, as if from top to bottom. With all his appearance, he seems to show his superiority over the "rival".
Fear. The eyebrows are slightly raised, but they have a straight shape, their inner corners are shifted and horizontal wrinkles pass through the forehead, the eyes are widened, and the lower eyelid is tense, and the upper eyelid is slightly raised, the mouth can be open, and its corners are pulled back.