Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
FACS Coded Action Units
| AU | Muscle Name | Related Emotions |
|---|---|---|
| 1 | Frontalis | Fear, Sadness, Surprise |
| 4 | Corrugator | Anger, Fear, Sadness |
| 6 | Orbicularis Oculi | Happiness |
| 10 | Levator | Disgust |
| 12 | Zygomatic Major | Happiness |
| 14 | Buccinator | Contempt |
| 15 | Triangularis | Sadness |
| 17 | Mentalis | Sadness |
| 24 | Orbicularis Oris | Anger |
