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Norman A. Krasnegor: Biological and behavioral determinants of parenting in mammals: An introduction Part I. Four perspectives on parental behavior: Leon Eisenberg: The biosocial context of parenting in human families Martin Daly: Evolutionary theory and parental motives Jay S. Rosenblatt: Landmarks in the physiological study of maternal behavior with special reference to the rat Roger A. Gorski: Structural sexual dimorphisms in the brain: implications for parental behavior Part II. Biochemical correlates of parenting: Robert S. Bridges: Endocrine regulation of parenting behavior in rats Bruce B. Svare: Maternal aggression: hormonal, genetic, and developmental determinants Pascal Poindron, & Frederic Levy: Physiological, sensory, and experimental determinants of maternal behavior in sheep and goats C.L. Coe: Psychobiology of parental behavior in nonhuman primates Alison S. Fleming: Hormonal and experiential correlates of maternal responsiveness in human mothers Michelle P. Warren, & Barbara Shortle: Endocrine correlates of human parenting: a clinical perspective Part III. Neurobiological correlates of parenting: Michael Numan: Neural control of maternal behavior Thomas R. Insel: Oxytocin and maternal behavior E. Barry Keverne, & K.M. Kendrick: Neurochemical changes accompanying parturition and their significance for maternal behavior Barbara K. Modney, & Glenn I. Hatton: Motherhood modifies magnocellular neuronal interrelationships in functionally meaningful ways C.E. Grosvenor, G.V. Shah, & W.R. Crowley: Role of neurogenic stimuli and milk production in the regulation of prolactin secretion during lactation Part IV. Biobehavioral correlatesof parenting: Craig H. Kinsley: Prenatal and postnatal influences upon parental behavior in rodents Susan A. Brunelli, & Myron A. Hofer: Parental behavior in juvenile rats: environmental and biological determinants M. Leon, R. Coopersmith, L.J. Beasley, & R.*M. Sullivan: The role of mother-young contact in maternal care Jeffrey R. Alberts, & David J. Gubernick: Functional organization of dyadic and triadic parent-offspring systems Warren G. Holmes: Parent-offspring recognition in mammals: a proximate and ultimate perspective M.W. Yogman: Male parental behavior in humans and nonhuman primates Part V. Future directions in research research on mammalian parenting
A Sun, study studied this question.