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The heritability of the skin conductance orienting response: a longitudinal twin study
Department of Psychology, University of Southern California, Los Angeles CA, USA.ORCID iD: 0000-0001-8768-6954
2011 (English)In: Behavior Genetics, ISSN 0001-8244, E-ISSN 1573-3297, Vol. 41, no 6, p. 938-938Article in journal, Meeting abstract (Other academic) Published
Abstract [en]

The orienting response is a widely used experimental paradigm that reflects the association between electrodermal activity and psychological processes. The present study examined the genetic and environmental etiology of skin conductance orienting response (SCOR) magnitude in a sample of twins assessed at ages 9–10, 11–13 and 14–16 years. Structural equation modeling within each wave showed that genetic influences explained 56, 83, and 48% of the total variance in SCOR magnitude at time point 1, 2, and 3 respectively, with the remaining variance explained by non-shared environmentalfactors. SCOR magnitude was moderately stable across ages, withphenotypic correlations between waves ranging from .35 to .45. A common genetic factor explained 36, 45 and 49% of the variance in SCOR magnitude across development. Age-specific genetic effects were found at ages 9–10 and 11–13 years, explaining 18 and 35% of the variance, respectively. The genetic correlations among the three waves were high, ranging from .55 to .73, indicating a substantial continuity in genetic influences from ages 9 to 16. These findings suggest that genetic factors are important influences in SCOR magnitude during adolescent development.

Place, publisher, year, edition, pages
2011. Vol. 41, no 6, p. 938-938
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:oru:diva-43828DOI: 10.1007/s10519-011-9495-9ISI: 000295326600171OAI: oai:DiVA.org:oru-43828DiVA, id: diva2:797621
Conference
41st Annual Meeting of the Behaviour-Genetics-Association, Newport, RI, USA, June 6-9, 2011
Available from: 2015-03-24 Created: 2015-03-24 Last updated: 2018-05-07Bibliographically approved

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Tuvblad, Catherine

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CiteExportLink to record
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Citation style
  • apa
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  • de-DE
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  • en-US
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  • nn-NO
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Output format
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  • asciidoc
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