About the Author

Richard J. Davidson is a professor and director of the W. M. Keck Laboratory for Functional Brain Imaging and Behavior and the Laboratory for Affective Neuroscience at the University of Wisconsin-Madison. He lives in Madison, Wisconsin. Arthur Morey has narrated over 100 audiobooks, including That Old Cape Magic by Richard Russo, Last Night in Twisted River by John Irving, the five Rabbit novels by John Updike, and The Evolution of God by Robert Wright. He has received seven AudioFile Earphones awards and an Audie nomination for Descent into Chaos by Ahmed Rashid. Sharon Begley is the senior health and science correspondent at Reuters. She is the bestselling author of Train Your Mind, Change Your Brain.