Now in a thoroughly revised and expanded third edition, this authoritative Handbook reviews current knowledge about all aspects of emotion and its role in human behavior. The field’s foremost researchers explore how emotion intersects with biology, developmental processes, social behavior, personality, cognition, and physical and mental health. Also presented are state-of-the-science perspectives on specific emotions, such as fear, anger, shame, disgust, positive emotions, and sadness. Extensively rewritten to reflect major scientific, theoretical, and clinical advances, the third edition features many new chapters and authors. New topics include emotion regulation, neuroimaging approaches, emotions in psychotherapy, the social functions of emotion, emotional complexity, emotion across the lifespan, transdiagnostic emotional disturbances in psychopathology, and much more.