Literature DB >> 7487839

Heritability of cognitive abilities in adult twins: comparison of Minnesota and Swedish data.

D Finkel1, N L Pedersen, M McGue, G E McClearn.   

Abstract

Cross-sectional reports suggest heritability of cognitive ability increases throughout adulthood. To investigate this hypothesis, quantitative genetic analyses were conducted on four measures of cognitive ability (verbal, spatial, perceptual speed, memory). Data from Minnesota and Swedish twin studies of aging were compared. Heritability estimates and the factor structure of cognitive abilities could be equated across younger twins (age, 27-50) and middle-aged twins (age, 50-65) from both studies, suggesting stability of heritability during adulthood. The heritability of 81% for a general cognitive factor confirmed earlier findings of high heritability in younger and middle-aged samples. Older Swedish twins (age, 65-85) demonstrated significantly lower heritability estimates for cognitive abilities (54%) and a significantly different factor structure of cognitive ability.

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Year:  1995        PMID： 7487839     DOI： 10.1007/bf02253371

Source DB:  PubMed          Journal:  Behav Genet        ISSN： 0001-8244            Impact factor:   2.805


  16 in total

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5.  The origins of individual differences in memory among the elderly: a behavior genetic analysis.

Authors:  D Finkel; M McGue
Journal:  Psychol Aging       Date:  1993-12

6.  Genetic influences on memory performance in adulthood: comparison of Minnesota and Swedish twin data.

Authors:  D Finkel; N Pedersen; M McGue
Journal:  Psychol Aging       Date:  1995-09

7.  Swedish early separated twins: identification and characterization.

Authors:  N L Pedersen; L Friberg; B Floderus-Myrhed; G E McClearn; R Plomin
Journal:  Acta Genet Med Gemellol (Roma)       Date:  1984

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Authors:  M McGue; T J Bouchard
Journal:  Behav Genet       Date:  1984-07       Impact factor: 2.805

9.  Life-span developmental psychology.

Authors:  P B Baltes; H W Reese; L P Lipsitt
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Authors:  A Bartfai; N L Pedersen; R F Asarnow; D Schalling
Journal:  Psychiatry Res       Date:  1991-08       Impact factor: 3.222
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  29 in total

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Journal:  Am J Hum Genet       Date:  1997-03       Impact factor: 11.025

7.  Storage and executive components of working memory: integrating cognitive psychology and behavior genetics in the study of aging.

Authors:  William S Kremen; Hong Xian; Kristen C Jacobson; Lindon J Eaves; Carol E Franz; Matthew S Panizzon; Seth A Eisen; Andrew Crider; Michael J Lyons
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8.  Cognitive deficits in first-degree relatives of bipolar patients: the use of homogeneous subgroups in the search of cognitive endophenotypes.

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9.  Untreated hypertension decreases heritability of cognition in late middle age.

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Journal:  Behav Genet       Date:  2011-06-19       Impact factor: 2.805

10.  Shared and unique genetic and environmental influences on aging-related changes in multiple cognitive abilities.

Authors:  Elliot M Tucker-Drob; Chandra A Reynolds; Deborah Finkel; Nancy L Pedersen
Journal:  Dev Psychol       Date:  2013-04-15
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