Facial Expression of Emotion
Human beings and some other animals have remarkable control over their facial muscles. Facial expressions of emotion are patterned movements of the muscles in the face that correspond with internal, affective states.
Communication is clearly important to effective social interaction. Whereas humans are able to communicate with one another verbally, they also are able to communicate nonverbally through body language and facial expressions. Facial expression of emotion is an important aspect of communication, and our bodies and brains seem wired to engage in such communication.
Two aspects of the nervous system highlight the biological readiness to engage in communication through facial expressions. First, human beings appear to have brain regions specifically dedicated to processing information about others' faces. Remarkably, these brain regions are active and developing even ...