Do Deepfakes Adequately Display Emotions? A Study on Deepfake Facial Emotion Expression

Table 1

Action Units related to emotions according to Ekman [36].

Basic emotion	Involved action units
Sadness	AU 1, 4
Fear	AU 1, 2, 4, 5, 7, 20, 26
Happiness	AU 6, 12
Anger	AU 4, 5, 7, 23
Surprise	AU 1, 2, 5, 26
Disgust	AU 9, 15, 16