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  • Pahlen, ShandellDepartment of Psychology, University of Minnesota, Minneapolis, United States ; Department of Psychology, University of California Riverside, Riverside, CA, USA (author)

Age-moderation of genetic and environmental contributions to cognitive functioning in mid- and late-life for specific cognitive abilities

  • Article/chapterEnglish2018

Publisher, publication year, extent ...

  • Elsevier,2018
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:hj-40996
  • https://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-40996URI
  • https://doi.org/10.1016/j.intell.2017.12.004DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-21859URI
  • http://kipublications.ki.se/Default.aspx?queryparsed=id:138345576URI

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  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Age moderation of genetic and environmental contributions to Digits Forward, Digits Backward, Block Design, Symbol Digit, Vocabulary, and Synonyms was investigated in a sample of 14,534 twins aged 26 to 98 years. The Interplay of Genes and Environment across Multiple Studies (IGEMS) consortium contributed the sample, which represents nine studies from three countries (USA, Denmark, and Sweden). Average test performance was lower in successively older age groups for all tests. Significant age moderation of additive genetic, shared environmental, and non-shared environmental variance components was observed, but the pattern varied by test. The genetic contribution to phenotypic variance across age was smaller for both Digit Span tests, greater for Synonyms, and stable for Block Design and Symbol Digit. The non-shared environmental contribution was greater with age for the Digit Span tests and Block Design, while the shared environmental component was small for all tests, often more so with age. Vocabulary showed similar age-moderation patterns as Synonyms, but these effects were nonsignificant. Findings are discussed in the context of theories of cognitive aging. 

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  • Hamdi, Nayla R.Department of Psychology, University of Minnesota, Minneapolis, United States (author)
  • Dahl Aslan, Anna K.,1975-Karolinska Institutet,Jönköping University,HHJ, Institutet för gerontologi,HHJ. ARN-J (Aging Research Network - Jönköping),Department of Medical Epidemiology and Biostatistics, Karolinska Institute, Stockholm, Sweden ; Jönköping Affiliation to School of Health and Welfare, Jönköping University, Sweden(Swepub:his)dahb (author)
  • Horwitz, Briana N.Department of Psychology, California State University Fullerton, United States (author)
  • Panizzon, Matthew S.Department of Psychiatry, University of California San Diego, La Jolla, United States (author)
  • Petersen, IngeThe Danish Twin Register, The Danish Aging Research Center, University of Southern Denmark, Odense, Denmark (author)
  • Zavala, CatalinaUniversity of California, Riverside, Department of Psychology, Riverside, United States,Department of Psychology, University of California Riverside, Riverside, CA, USA ; Department of Psychology, University of Southern California, Los Angeles, CA, USA (author)
  • Christensen, KaareThe Danish Twin Register, The Danish Aging Research Center, University of Southern Denmark, Odense, Denmark (author)
  • Finkel, Deborah G.Indiana University Southeast, Department of Psychology, New Albany, United States,Department of Psychology, Indiana University Southeast, New Albany, IN, USA (author)
  • Franz, Carol E.University of California, San Diego, United States,Department of Psychiatry, University of California San Diego, La Jolla, CA, USA (author)
  • Gatz, MargaretUniversity of California, Riverside, Department of Psychology, Riverside, United States,Department of Medical Epidemiology and Biostatistics, Karolinska Institute, Stockholm, Sweden ; Department of Psychology, University of Southern California, Los Angeles, CA, USA (author)
  • Johnson, Wendy RoyUniversity of Edinburgh, Department of Psychology, Edinburgh, United Kingdom,Department of Psychology, Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Midlothian, Scotland, UK (author)
  • Kremen, William S.University of California, San Diego, Department of Psychiatry, San Diego, United States,Department of Psychiatry, University of California San Diego, La Jolla, CA, USA (author)
  • Krueger, Robert FrederickDepartment of Psychology, University of Minnesota, Minneapolis, United States (author)
  • Neiderhiser, Jenaè M.Pennsylvania State University, Department of Psychology, University Park, United States,Department of Psychology, Penn State University, University Park, PA, USA,Department of Psychology, University of Minnesota, Minneapolis, United States ; The Danish Twin Register, The Danish Aging Research Center, University of Southern Denmark, Odense C, Denmark (author)
  • Reynolds, Chandra A.University of California, Riverside, Department of Psychology, Riverside, United States,Department of Psychology, University of California Riverside, Riverside, CA, USA (author)
  • Pedersen, Nancy LeeKarolinska Institutet (author)
  • McGue, MattDepartment of Psychology, University of Minnesota, Minneapolis, United States (author)
  • Department of Psychology, University of Minnesota, Minneapolis, United States ; Department of Psychology, University of California Riverside, Riverside, CA, USADepartment of Psychology, University of Minnesota, Minneapolis, United States (creator_code:org_t)

Related titles

  • In:Intelligence: Elsevier68, s. 70-810160-28961873-7935

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