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Article

Mu-opioid receptor (OPRM1) variation, oxytocin levels and maternal attachment in free-ranging rhesus macaques Macaca mulatta.

Behavioral neuroscience - 1 Apr 2011

Higham James P, Barr Christina S, Hoffman Christy L, Mandalaywala Tara M, Parker Karen J, Maestripieri Dario

Abstract excerpt

Understanding the genetic and neuroendocrine basis of the mother-infant bond is critical to understanding mammalian affiliation and attachment. Functionally similar nonsynonymous mu-opioid receptor (OPRM1) SNPs have arisen and been maintained in humans (A118G) and rhesus macaques Macaca mulatta (C77G). In rhesus macaques, variation in OPRM1 predicts individual differences in infant affiliation for mothers....

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Identifiers

PMID: 21463018
DOI: 10.1037/a0022695
PMCID: PMC4018727

Genes

OPRM1

Variants

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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