Preface 1. Ann E. Kelley and Louis Stinus Neuroanatomical and Neurochemical Substrates of Affective Behavior 2. Victor H. Denenberg, Michael J. Hofmann, Glenn D. Rosen and David A. Yutzey Cerebral Asymmetry and Behavioral Laterality: Some Psychobiological Considerations 3. Stephen J. Suomi The Development of Affect in Rhesus Monkeys 4. Carol Zander Malatesta and Carroll E. Izard The Ontogenesis of Human Social Signals: From Biological Imperative to Symbol Utilization 5. Theodore J. Gaensbauer and Susan Hiatt Facial Communication of Emotion in Early Infancy 6. Barry M. Lester Infant Crying and the Development of Communication 7. Marcel Kinsbourne and Brenda Bemporad Lateralization of Emotion: A Model and the Evidence 8. Joan C. Borod and Elissa Koff Asymmetries in Affective Facial Expression: Behavior and Anatomy 9. Sara L. Weber and Harold A. Sackeim The Development of Functional Brain Asymmetry in the Regulation of Emotion 10. Nathan A. Fox and Richard J. Davidson Hemispheric Substrates of Affect: A Developmental Model. Author Index. Subject Index.