Cited by 35Neuroendocrine regulation and behaviorPrimate Behavior and EcologyAnimal Behavior and Reproduction

Comparative analysis of oxytocin receptor density in the nucleus accumbens: an adaptation for female and male alloparental care?

Olazábal, Daniel E.·2014·Journal of Physiology-Paris

Abstract

Parental behavior is commonly displayed by progenitors. However, other individuals, genetically related (e.g. siblings, aunts, uncles) or not with the newborns, also display parental behavior (commonly called alloparental, or adoptive behavior). I hypothesize that species that live in family or social groups where other non-reproductive members (males and females) take care of infants, have brain adaptations to promote or facilitate that behavioral response. The present work revises the evidence supporting the hypothesis that high density of oxytocin receptors (OXTR) in the nucleus accumbens (NA) is one of those adaptations. All species known to have high NA OXTR show not only female, but also male alloparental care. Therefore, I predict that high NA OXTR could be present in all species in which juvenile and adult male alloparental behavior have been observed. Strategies to test this and other alternative working hypothesis and its predictions are presented.

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Crossref · 10.1016/j.jphysparis.2014.10.002

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  • OTR densities in the NAc correlate with socially monogamous mating strategies and other forms of social behavioral variation in prairie voles and other mammals.

    “OTR densities in the NAc correlate with socially monogamous mating strategies and other forms of social behavioral variation in prairie voles and other mammals”
  • In voles, OTR density in the nucleus accumbens (NAc) is associated with individual and species variation in social attachment behavior.

    “In voles, OTR density in the nucleus accumbens (NAc)—a region important for social and reward learning—is associated with individual and species variation in social attachment behavior.”

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Authors
Olazábal, D. E.
Affiliations
Universidad de la República de Uruguay (UY)
Corresponding author
Olazábal, Daniel E.
Venue
Journal of Physiology-Paris
Publisher
Elsevier BV
Published
2014-04
Volume
108
Issue
2-3
Pages
213-220
ISSN
0928-4257 (ISSN-L)
OpenAlex
W2028460559
Cited by
35
References
117
Citations by year
2022: 2 · 2020: 17 · 2019: 5 · 2018: 2 · 2017: 3 · 2016: 5 · 2015: 1
FWCI
4.45
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Physiology-Paris (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • University of Illinois at Urbana-Champaign
  • Comisión Sectorial de Investigación Científica
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Social Sciences › Psychology › Social Psychology › Primate Behavior and Ecology
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Behavior and Reproduction
Keywords
oxytocin receptor, nucleus accumbens, alloparental care, parental behavior, sex differences, male parental behavior, brain adaptation, social behavior, comparative neuroanatomy
MeSH terms
Animals, Animals, Newborn, Humans, Maternal Behavior, Nucleus Accumbens, Oxytocin, Paternal Behavior, Sex Characteristics, Social Behavior, Parenting, Receptors, Oxytocin

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