LEE ELLIS is Professor of Sociology at Minot State University. He is the editor of Crime in Biological, Social, and Moral Contexts (1990), Social Stratification and Socioeconomic Inequality, Volumes 1 and 2 (1993, 1994), and Sexual Orientation: Toward Biological Understanding (1997), all from Praeger.LINDA EBERTZ assisted Lee Ellis in organizing the 1995 International Behavioral Development Symposium upon which this book is based.

• Foreword by Milton Diamond Preface Genetic and Perinatal Influences on Male/Female Differences in Behavior Some Genetic Aspects of Human Sexual Behavior by David E. Comings Sex Hormonal Modulation of Nernal Development In Vitro: Implications for Brain Sex Differentiation by Robert H. Lustig Evidence from Opposite-Sex Twins for the Effects of Prenatal Sex Hormones by Edward M. Miller Effects of Perinatal and Puberal Steroid Imprinting in Sexual Behavior of Adult Rats by Gyorgy Csaba Neurological Manifestations of Perinatal Sexual Differentiation Organizational and Activational Effects of Dopamine on Male Sexual Behavior by Elaine M. Hull et al. Gender-Specific Alterations in Adult Sexual Behavior and Brain Neurotransmitters following Prenatal Morphine Exposure by Ilona Vathy The Involvement of Neonatal 5HT Receptor-Mediated Effects on Sexual Dimorphism of Adult Behavior in the Rat by Catherine A. Wilson et al. Developmental Significance of the Postnatal Testosterone "Surge" in Male Primates by Alan F. Dixson, Gillian R. Brown, and Claire M. Nevison Sex Differences in the Organization of Behavior Patterns: Endpoint Measures Do Not Tell the Whole Story by Sergio M. Pellis and Evelyn Field Neuro-Cognitive Aspects of Male/Female Differences in Behavior Cerebral Asymmetry and Cognitive Performance Show Complementary Fluctuation across the Menstrual Cycle by Geoff Sanders and Deborah Wenmoth Gender-Related Individual Differences and National Merit Test Performance: Girls Who Are "Masculine" and Boys Who Are "Feminine" Tend to Do Better by Richard Lippa Gender Differences in Bereavement Response and Longevity: Findings from the California State University Twin Loss Study by Nancy L. Segal Applying the Interpersonal Circle and Evolutionary Theory of Gender Differences in Psychopathological Traits by Katharine Blick Hoyenga et al. Index