Substantial Genetic Influence on Cognitive Abilities in Twins 80 or More Years Old

General and specific cognitive abilities were studied in intact Swedish same-sex twin pairs 80 or more years old for whom neither twin had major cognitive, sensory, or motor impairment. Resemblance for 110 identical twin pairs significantly exceeded resemblance for 130 fraternal same-sex twin pairs...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 1997-06, Vol.276 (5318), p.1560-1563
Hauptverfasser:	McClearn, Gerald E., Johansson, Boo, Berg, Stig, Pedersen, Nancy L., Ahern, Frank, Petrill, Stephen A., Plomin, Robert
Format:	Artikel
Sprache:	eng
Schlagworte:	Aged Aged, 80 and over Aging (Individuals) Aging - genetics Biological and medical sciences Classical genetics, quantitative genetics, hybrids Cognition Cognition & reasoning Cognitive Ability Cognitive models Cognitive Tests Correlations Environment Female Fundamental and applied biological sciences. Psychology Genetic aspects Genetics Genetics of eukaryotes. Biological and molecular evolution Heritability Human Human genetics Humans Identical twins Intelligence - genetics Intelligence Tests Likelihood Functions Male Medical genetics Memory Older people Registries Speech skills Statistical variance Sweden Twin studies Twins Twins, Dizygotic - genetics Twins, Monozygotic - genetics
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