Emotion Types

Mouth Expression

Eye Expression

Eyebrow Expression

Happiness

The lips are raised and pulled back;

The mouth may be enlarged;

May expose teeth;

The lower eyelid is pushed upward by the facial muscles;

There may be wrinkles under the lower eyelids;

The eyebrows are slightly bent down;

Fear

Opened mouth;

Pulling the lip back;

The lip angle may be elongated;

The upper eyelid is lifted and the lower eyelid is tightened;

The eyebrows are raised and wrinkled together;

Wrinkles appear in the middle of the forehead;

Surprise

The lower jaw falls; the mouth is open;

Lips and teeth apart;

The mouth is not stretched and not nervous;

Eyes are wide;

Upper eyelid elevation;

Lower eyelid drop;

The eyebrows are lifted and bent;

Stretching the skin under the eyebrows;

Wrinkles may span the forehead;

Sadness

Pull down the corner of the mouth;

The corner of the mouth may tremble;

The upper eyelid of the intraocular corner is raised;

Skin muscle folded between the two eyebrows;

Stacked together;

Part of the eyebrows are raised;

Disgust

The upper lip is slightly raised;

Combine the lips and push up on the upper lip;

The corner of the mouth is pulled down and the lips are slightly convex;

There are non-longitudinal folds under the skin of both eyes;

Pushing the lower eye muscles under the eyes;

Lowered eyebrows and lowered upper eyelids;

Anger

When the mouth is closed, the lips are straightened to the left and right; when the mouth is opened, the lip angle is pulled down;

The lower eyelids are tightened, raised or not lifted; the upper eyelids are tightened; the eyes are wide and may bulge;

The eyebrows are wrinkled together and depressed;

Vertical wrinkles appear between the eyebrows;