1 Genetic Influences on Sexual Behavior Differentiation.- 2 Sex Differences in Neuronal Morphology Influenced Hormonally throughout Life.- 3 Gonadal Hormones and Sex Differences in Nonreproductive Behaviors.- 4 Role of Estrogens and Progestins in the Development of Female Sexual Behavior Potential.- 5 Sexual Behavior: The Product of Perinatal Hormonal and Prepubertal Social Factors.- 6 Fetal Drug Exposure and Sexual Differentiation of Males.- 7 Prenatal Hormonal Contributions to Sex Differences in Human Cognitive and Personality Development.- 8 Gender Differences in Human Neuropsychological Function.- 9 Factors Determining the Onset of Puberty.- 10 Early Androgen and Age-Related Modifications in Female Rat Reproduction.