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Title: Genetic predispositions and parental attachment interact to shape adults’ physiological responses to social distress
Authors: Esposito, Gianluca
Truzzi, Anna
Setoh, Peipei
Putnick, Diane L.
Shinohara, Kazuyuki
Bornstein, Marc H.
Keywords: Parental Bonding
Oxytocin receptor gene
Issue Date: 2016
Source: Esposito, G., Truzzi, A., Setoh, P., Putnick, D. L., Shinohara, K.,& Bornstein, M. H. (2016). Genetic predispositions and parental bonding interact to shape adults’ physiological responses to social distress. Behavioural Brain Research, in press.
Series/Report no.: Behavioral Brain Research
Abstract: Parental bonding and oxytocin receptor (OXTR) gene genotype each influences social abilities in adulthood. Here, we hypothesized an interaction between the two − environmental experience (parental bonding history) and genetic factors (OXTR gene genotype) − in shaping adults’ social sensitivity (physiological response to distress). We assessed heart rate and peripheral temperature (tip of the nose) in 42 male adults during presentation of distress vocalizations (distress cries belonging to female human infants and adults as well as bonobo). The two physiological responses index, respectively, state of arousal and readiness to action. Participants’ parental bonding in childhood was assessed through the self-report Parental Bonding Instrument. To assess participants’ genetic predispositions, buccal mucosa cell samples were collected, and region rs2254298 of the oxytocin receptor gene was analyzed: previous OXTR gene findings point to associations between the G allele and better sociality (protective factor) and the A allele and poorer sociality (risk factor). We found a gene * environment interaction for susceptibility to social distress: Participants with a genetic risk factor (A carriers) with a history of high paternal overprotection showed higher heart rate increase than those without this risk factor (G/G genotype) to social distress.Also, a significant effect of the interaction between paternal care and genotype on nose temperature changes was found. This susceptibility appears to represent an indirect pathway through which genes and experiences interact to shape mature social sensitivity in males.
ISSN: 0166-4328
DOI: 10.1016/j.bbr.2016.06.042
Rights: © 2016 Elsevier B.V. This is the author created version of a work that has been peer reviewed and accepted for publication by Behavioral Brain Research, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
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