Rick Hanson PhD
Jan 18, 2013
As our ancestors evolved over millions of years in small bands, continually interacting and working with each other, it was vitally important to communicate in hundreds of ways each day. They shared information about external “carrots” and “sticks,” and about their internal experience (e.g., intentions, sexual interest, inclination toward aggression) through gestures, vocalizations – and facial expressions. Much as we developed uniquely complex language, we also evolved the most expressive face in the entire animal kingdom.
Our faces are exquisitely capable of a vast range of expressions, such as showing fear to send signals of alarm, interest to draw others toward an opportunity, or fondness and kindness to …