Lisa Feldman Barrett, PhD, is University Distinguished Professor of Psychology and Director of the Interdisciplinary Affective Science Laboratory at Northeastern University, with research appointments at Harvard Medical School and Massachusetts General Hospital (MGH), and is a faculty member at the MGH Center for Law, Brain and Behavior. Dr. Barrett's research focuses on the nature of emotion from both psychological and neuroscience perspectives, and incorporates insights from anthropology, philosophy, linguistics, and the history of psychology. She is the recipient of a Pioneer Award from the National Institutes of Health, among numerous other awards, and is a Fellow of the Royal Society of Canada, the American Association for the Advancement of Science, and the Association for Psychological Science. She was a founding Editor-in-Chief of the journal Emotion Review and cofounder of the Society for Affective Science. Dr. Barrett has published more than 170 papers and book chapters. Paula M. Niedenthal, PhD, is Director of Research in the National Centre for Scientific Research and is a member of the Laboratory in Social and Cognitive Psychology at Blaise Pascal University, Clermont-Ferrand, France. Author of more than 65 academic articles and chapters and several books, Dr. Niedenthal is a fellow of the Society for Personality and Social Psychology and is currently at work on a textbook on the study of emotion in social psychology. Piotr Winkielman, PhD, is an associate professor of psychology at the University of California-San Diego. Dr. Winkielman's current research focuses on the relations among emotion, cognition, body, and consciousness using psychological and psychophysiological approaches. His research has been supported by the National Science Foundation and the National Alliance for Autism Research, and he has served on the editorial boards of the Journal of Personality and Social Psychology and Personality and Social Psychology Bulletin.