TABLE 1.

Used categories of the EMFACS.

Categories	Explanations
(1) Activity	Facial activity
(2) Primary affects	Summary category of all primary affects (3–9)
(3) Anger
(4) Contempt
(5) Disgust
(6) Fear
(7) Sadness
(8) Surprise
(9) Duchenne smile	Felt smile
(10) Social smile
(11) Possible smile
(12) Anger/disgust
(13) Fear/surprise
(14) Happy/fear
(15) Happy/contempt
(16) Happy/anger
(17) Happy/disgust
(18) Happy/surprise
(19) Possible anger
(20) Unspecific negative
(21) Possible fear
(22) AU 20	Fear fragment
(23) Illustrators	(AU 1 + 2)

EMFACS, emotional facial action coding system; AU, action unit.