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Oxytocin and vulnerable romantic relationships.
Grebe, Nicholas M; Kristoffersen, Andreas Aarseth; Grøntvedt, Trond Viggo; Emery Thompson, Melissa; Kennair, Leif Edward Ottesen; Gangestad, Steven W.
Afiliação
  • Grebe NM; Department of Psychology, University of New Mexico, Albuquerque, NM, USA; Department of Evolutionary Anthropology, Duke University, Durham, NC, USA. Electronic address: grebe@unm.edu.
  • Kristoffersen AA; Department of Psychology, Norwegian University of Science and Technology, Trondheim, Norway.
  • Grøntvedt TV; Department of Psychology, Norwegian University of Science and Technology, Trondheim, Norway.
  • Emery Thompson M; Department of Anthropology, University of New Mexico, Albuquerque, NM, USA.
  • Kennair LEO; Department of Psychology, Norwegian University of Science and Technology, Trondheim, Norway.
  • Gangestad SW; Department of Psychology, University of New Mexico, Albuquerque, NM, USA.
Horm Behav ; 90: 64-74, 2017 04.
Article em En | MEDLINE | ID: mdl-28254475
ABSTRACT
Oxytocin (OT) has been implicated in the formation and maintenance of various social relationships, including human romantic relationships. Competing models predict, alternatively, positive or negative associations between naturally-occurring OT levels and romantic relationship quality. Empirical tests of these models have been equivocal. We propose a novel hypothesis ('Identify and Invest') that frames OT as an allocator of psychological investment toward valued, vulnerable relationships, and test this proposal in two studies. In one sample of 75 couples, and a second sample of 148 romantically involved individuals, we assess facets of relationships predicting changes in OT across a thought-writing task regarding one's partner. In both studies, participants' OT change across the task corresponded positively with multiple dimensions of high relationship involvement. However, increases in participants' OT also corresponded to their partners reporting lower relationship involvement. OT increases, then, reflected discrepancies between assessments of self and partner relationship involvement. These findings are robust in a combined analysis of both studies, and do not significantly differ between samples. Collectively, our findings support the 'Identify and Invest' hypothesis in romantic couples, and we argue for its relevance across other types of social bonds.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Ocitocina / Parceiros Sexuais / Relações Interpessoais Tipo de estudo: Prognostic_studies Limite: Adolescent / Adult / Female / Humans / Male Idioma: En Ano de publicação: 2017 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Ocitocina / Parceiros Sexuais / Relações Interpessoais Tipo de estudo: Prognostic_studies Limite: Adolescent / Adult / Female / Humans / Male Idioma: En Ano de publicação: 2017 Tipo de documento: Article