Table 3: Percentage of change of features from period to in the Mushroom game ().

Feature (notation) MeanMin.Max.

Mouth outer ()−12.9−69.122.1
Mouth corner ()−15.0−71.615.5

Eye area ()−8.9−76.98.2
Eyebrow activity ()−8.0−72.39.6

Face area ()−11.3−74.518.2
Face motion ()47.2−61.3253.8
Facial COM ()−12.9−81.09.8