Representing a synthetic integration of vast amounts of neurobehavioral knowledge, including relevant neuroanatomy, neurophysiology, and neurochemistry, this book, integrating animal and human perspectives, is one of the most important contributions to understanding the evolution of emotions. Conceptual Background, Affective Neuroscience: History and Major Concepts, The Varieties of Emotional Systems in the Brain: Theories and Taxonomies and Semantics, Neurodynamics: The Electrical Languages, Neurodynamics: Neurochemical Maps of the Brain, Basic Emotional and Motivational Processes, Sleep and Arousal and Mythmaking in the Brain, Energy is Delight: The Pleasures and Pains of Brain Regulatory Systems, The Sources of Fear and Anxiety in the Brain, The Social Emotions, Love and Social Bond: The Sources of Nurturance and Maternal Behavior, Rough-and-Tumble Play: The Brain Sources of Joy, Notes, Author and Subject Index.