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Neural Regulation of Paternal Behavior in Mammals: Sensory, Neuroendocrine, and Experiential Influences on the Paternal Brain

  • Nathan D. Horrell
  • Peter W. Hickmott
  • Wendy SaltzmanEmail author
Chapter
Part of the Current Topics in Behavioral Neurosciences book series

Abstract

Across the animal kingdom, parents in many species devote extraordinary effort toward caring for offspring, often risking their lives and exhausting limited resources. Understanding how the brain orchestrates parental care, biasing effort over the many competing demands, is an important topic in social neuroscience. In mammals, maternal care is necessary for offspring survival and is largely mediated by changes in hormones and neuropeptides that fluctuate massively during pregnancy, parturition, and lactation (e.g., progesterone, estradiol, oxytocin, and prolactin). In the relatively small number of mammalian species in which parental care by fathers enhances offspring survival and development, males also undergo endocrine changes concurrent with birth of their offspring, but on a smaller scale than females. Thus, fathers additionally rely on sensory signals from their mates, environment, and/or offspring to orchestrate paternal behavior. Males can engage in a variety of infant-directed behaviors that range from infanticide to avoidance to care; in many species, males can display all three behaviors in their lifetime. The neural plasticity that underlies such stark changes in behavior is not well understood. In this chapter we summarize current data on the neural circuitry that has been proposed to underlie paternal care in mammals, as well as sensory, neuroendocrine, and experiential influences on paternal behavior and on the underlying circuitry. We highlight some of the gaps in our current knowledge of this system and propose future directions that will enable the development of a more comprehensive understanding of the proximate control of parenting by fathers.

Keywords

Alloparental behavior Medial preoptic area Neuroendocrinology Parental behavior Parental care Social behavior 

Notes

Acknowledgments

We thank the many current and former members of our labs who contributed to our own research described here. Our research was supported by NIH R21HD075021, NIH 1R21MH087806, NSF IOS1256572, and grants from the UC Riverside Academic Senate.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Nathan D. Horrell
    • 1
    • 2
  • Peter W. Hickmott
    • 1
    • 3
  • Wendy Saltzman
    • 1
    • 2
    Email author
  1. 1.Graduate Program in NeuroscienceUniversity of California, RiversideRiversideUSA
  2. 2.Department of Evolution, Ecology, and Organismal BiologyUniversity of California, RiversideRiversideUSA
  3. 3.Department of PsychologyUniversity of California, RiversideRiversideUSA

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