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| Facial Action Units (FAUs) | Not able to score (%) |
| Stiffly backwards ears | 0 |
| Orbital tightening | 9 |
| Tension above the eye area | 21 |
| Prominent strained chewing muscles | 15 |
| Mouth strained and pronounced chin | 21 |
| Strained nostrils and flattening of the profile | 8 |
