Facial expressions play a fundamental role in social communication. While it is well established that others’ expressions influence our behavior—such as approaching a smiling person or avoiding an ...

Mount Sinai researchers have discovered distinct roles for two dopamine receptors located on nerve cells within the portion of the brain that controls approach vs. avoidance behavior. These receptors ...

Sometimes when we encounter challenging situations, it’s easier to avoid them than to face them. Some difficult emotions – like anxiety, fear, or worry – stick around or get worse because of this.