Once relegated to the back burner of psychological science, emotions are now recognized as an essential area of interdisciplinary investigation. This fully revised and updated second edition of the Handbook of Emotions provides a comprehensive analysis of what is currently known about emotion in human behavior. Demonstrating the vitality and strength of the field--and illuminating promising directions for future research--new and revised chapters bring readers up to date on the extensive theoretical and empirical gains that have been made since the publication of the classic first edition. Unique in the breadth and depth of its coverage, the second edition of the Handbook is the definitive resource for students, researchers, and clinicians.