This volume provides a comprehensive road map of the important and rapidly growing field of facial expression of emotion. Each chapter represents a unique perspective on facial emotional expression. Various innovative and classical theoretical approaches are represented, such as, Music and Brain: The Face and the Emotion, Psychopathy and Emotion: Impact on Spontaneous Facial Expressions, Facial Neuroscience and New Technologies in the Judicial System, Understanding Microexpressions on the Face, Emotion and Depression, Social Recognition of the Facial Expressions of Emotion, Emotional Development in Children, and Exercise and Effect on Positive Emotions.