
A new study provides some of the first clues to the underlying workings of episodes of bipolar disorder that disrupt friendships, school, and family life in as many as 1% of children. Children and adolescents with bipolar disorder misread facial expressions as hostile and show heightened neural reactions when they focus on emotional aspects of neutral faces, researchers at the National Institutes of Health's (NIH) National Institute of Mental Health (NIMH) have discovered.
