Visual Feedback Significant for Imitating Facial Expressions, University College London Study

Research using new technology shows that our ability to imitate facial expressions depends on learning that occurs through visual feedback. Studies of the chameleon effect confirm what salespeople, tricksters, and Lotharios have long known: Imitating another person's postures and expressions is an important social lubricant. But how do we learn to imitate with any accuracy when we can't see our own facial expressions and we can't feel the facial expressions of others?