https://www.selleckchem.com/pr....oducts/s-gsk1349572.
A large body of research on emotion communication has demonstrated that facial muscle movements (i.e., facial expressions) influence social perceptions made from faces. However, new research suggests that head position can also affect the way that faces are perceived, by systematically changing the appearance of the face. More specifically, according to the action-unit imposter account, tilting one's head downward causes the eyebrows to appear lower and take on a V shape-the same appearance cues associated with a particular facial