Table 2.
Mean score of facial expressions
| Facial expressions | Mean score |
|---|---|
| Eye shrink | 3.670 |
| Eye enlarge | 4.310 |
| Mouth widen | 3.590 |
| Lips curled | 3.330 |
| Eyebrow raised | 4.040 |
| Eyebrow lowered | 3.300 |
| Forehead wrinkle | 3.390 |
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