| Genetic and environmental influences on thin-ideal internalization. | |
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MedLine Citation:
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PMID: 23034902 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVE: Current research on the etiology of thin-ideal internalization focuses on psychosocial influences (e.g., media exposure). The possibility that genetic influences also account for variance in thin-ideal internalization has never been directly examined. This study used a twin design to estimate genetic effects on thin-ideal internalization and examine if environmental influences are primarily shared or nonshared in origin. METHOD: Participants were 343 postpubertal female twins (ages: 12-22 years; M = 17.61) from the Michigan State University Twin Registry. Thin-ideal internalization was assessed using the Sociocultural Attitudes toward Appearance Questionnaire-3. RESULTS: Twin modeling suggested significant additive genetic and nonshared environmental influences on thin-ideal internalization. Shared environmental influences were small and non-significant. DISCUSSION: Although prior research focused on psychosocial factors, genetic influences on thin-ideal internalization were significant and moderate in magnitude. Research is needed to investigate possible interplay between genetic and nonshared environmental factors in the development of thin-ideal internalization. © 2012 by Wiley Periodicals, Inc. |
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Authors:
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Jessica L Suisman; Shannon M O'Connor; Steffanie Sperry; J Kevin Thompson; Pamela K Keel; S Alexandra Burt; Michael Neale; Steven Boker; Cheryl Sisk; Kelly L Klump |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-10-3 |
Journal Detail:
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Title: The International journal of eating disorders Volume: - ISSN: 1098-108X ISO Abbreviation: Int J Eat Disord Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-4 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8111226 Medline TA: Int J Eat Disord Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012 Wiley Periodicals, Inc. |
Affiliation:
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Department of Psychology, Michigan State University, East Lansing, Michigan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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