According to studies by Ekman and others:
A) no changes in autonomic activities are discernible for emotions such as disgust or anger
B) autonomic changes may be triggered by contractions of specific facial muscles
C) there is no relationship between measures of behavioral, cortical and autonomic arousal
D) emotional reactions are not fully measureable physiologically

Question

Quizplus · Accepted Answer

Ekman and others have found that autonomic changes may be triggered by contractions of specific facial muscles.

According to Studies by Ekman and Others