Catherine M. Pittman, PhD, is a licensed clinical psychologist specializing in the treatment of anxiety disorders and brain injuries. She is professor of psychology at Saint Mary's College in Notre Dame, IN, where she has taught for more than thirty years. Pittman is author of Taming Your Amygdala, and coauthor of Rewire Your Anxious Brain.William H. Youngs, PhD, is a licensed clinical psychologist with a private practice in clinical neuropsychology in the greater South Bend, IN, area. He served as a clinical neuropsychologist with Memorial Hospital of South Bend for twenty-five years, and a visiting assistant professor of psychology at Saint Mary's College in Notre Dame, IN; where he has taught undergraduate courses in neuropsychology, cognitive psychology, psychological assessment, abnormal psychology, and theories of personality.