AGING: BIOLOGY AND BEHAVIOR
CONTENTS HORMONAL MECHANISMS WHY DOES SOCIAL BEHAVIOR NEED HORMONAL REGULATION? STEROIDS STEROID SYNTHESIS AND METABOLISM STEROID MEASUREMENT AND DYNAMICS NEUROPEPTIDES AND PROLACTIN WHERE AND HOW DO STEROIDS ACT TO ALTER BEHAVIOR? STEROID MANIPULATION MECHANISMS OF PEPTIDE ACTION MULTIPLE MESSENGERS, MULTIPLE BEHAVIORS HORMONES, PLASTICITY, AND DEVELOPMENT HOW THE NECESSARY CONTROL OF STEROIDS BY THE ENVIRONMENT IS ACHIEVED: THE HPG AND HPA AXES DIVERSITY IN MECHANISMS HOW “COSTLY” ARE THESE HORMONAL MECHANISMS? MATING, FIGHTING, PARENTING, AND SIGNALING COURTSHIP AND MATING INDIVIDUAL AND SPECIES VARIATION IN HORMONE DEPENDENCE OF MATING BEHAVIOR FEMALE MATING BEHAVIOR AND SEX DIFFERENCES IN HORMONE DEPENDENCE AGGRESSIVE BEHAVIOR PARENTAL BEHAVIOR HOW HORMONES ALTER BEHAVIOR: CIRCUITS, NETWORKS, AND PROCESSES DAILY AND SEASONAL RHYTHMS OF SOCIAL BEHAVIOR HORMONES AND SIGNALING HORMONAL RESPONSES TO SIGNALS AND CUES SOCIAL RELATIONSHIPS AND SOCIAL ORGANIZATION SOCIALITY DOMINANCE TERRITORIALITY MATING SYSTEMS MATE CHOICE PAIRBONDING PARENT–OFFSPRING AND SIBLING RELATIONSHIPS COOPERATIVE BREEDING AND ALLOPARENTING CONCLUSIONS DEVELOPMENT OF SEXES AND TYPES SEX DETERMINATION AND MORPHOLOGICAL SEXUAL DIFFERENTIATION SEX DIFFERENCES IN BEHAVIOR AND BRAINS SEX DIFFERENCES DUE TO ACTIVATIONAL HORMONE EFFECTS THE ORGANIZATION OF BEHAVIORAL SEX DIFFERENCES IN MAMMALS THE DIRECT GENETIC DIFFERENTIATION HYPOTHESIS THE DEVELOPMENT OF SEX DIFFERENCES IN BIRDS: PROGRESS AND PUZZLES SEXUAL DIFFERENTIATION OF BEHAVIOR IN OTHER VERTEBRATES DO INVERTEBRATES HAVE HORMONALLY ORGANIZED SEX DIFFERENCES IN BEHAVIOR? SEX-CHANGING FISH WITHIN-SEX TYPES (WITHIN-SEX DIMORPHISM) COMPARATIVE OVERVIEW EVOLUTIONARY CHANGE AND SPECIES DIFFERENCES HERITABLE PHENOTYPIC VARIATION: INDIVIDUAL DIFFERENCES AND THEIR BASIS REPRODUCTIVE SUCCESS AND DIFFERENTIAL FITNESS RESPONSES TO SELECTION CORRELATED TRAITS, HORMONES, COSTS, AND EVOLUTIONARY CHANGE HORMONES, SEXES, AND SEXUAL SELECTION PUTTING HORMONAL MECHANISMS IN THE FOREGROUND GENETIC ARCHITECTURE AND HORMONALLY BASED SEXUAL DIMORPHISM THE PERSPECTIVE FROM EVOLUTIONARY DEVELOPMENTAL BIOLOGY SPECIES COMPARISONS IN HORMONES AND BEHAVIOR LIFE STAGES AND LIFE HISTORIES LIFE HISTORIES, FITNESS, AND HORMONES LIFE STAGES PRIOR TO REPRODUCTIVE MATURITY ONSET OF REPRODUCTIVE MATURITY: PUBERTY AGING AND SENESCENCE HORMONES, SOCIAL BEHAVIOR, AND LIFE HISTORY TRADE-OFFS PHYLOGENY: CONSERVATION AND INNOVATION OXYTOCIN FAMILY PEPTIDES AND THEIR RECEPTORS GNRH AND ITS RECEPTORS STEROID RECEPTORS STEROIDS AND STEROIDOGENIC ENZYMES BEHAVIORAL PHYLOGENY, BRAINS, AND THE CONSERVATION PARADOX STEROID-MODULATED VOCALIZATION MATING BEHAVIOR SEX DETERMINATION AND SEXUAL DIFFERENTIATION AFTERWORD REFERENCES