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Speed and intelligence in old age

  • Past research suggests that age differences in measures of cognitive speed contribute to differences in intellectual functioning between young and old adults. To investigate whether speed also predicts age-related differences in intellectual performance beyond age 70 years, tests indicating 5 intellectual abilities—speed, reasoning, memory, knowledge, and fluency—were administered to a close-to-representative, age-stratified sample of old and very old adults. Age trends of all 5 abilities were well described by a negative linear function. The speed-mediated effect of age fully explained the relationship between age and both the common and the specific variance of the other 4 abilities. Results offer strong support for the speed hypothesis of old age cognitive decline but need to be qualified by further research on the reasons underlying age differences in measures of speed.

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Author:Ulman Lindenberger, Ulrich Mayr, Reinhold KlieglORCiDGND
Series (Serial Number):Postprints der Universität Potsdam : Humanwissenschaftliche Reihe (paper 162)
Document Type:Postprint
Year of Completion:1993
Publishing Institution:Universität Potsdam
Release Date:2010/01/05
Source:Psychology and Aging 8(1993) 2, S. 207-220, ISSN 1939-1498, DOI 10.1037/0882-7974.8.2.207
Organizational units:Humanwissenschaftliche Fakultät / Institut für Psychologie
Dewey Decimal Classification:1 Philosophie und Psychologie / 15 Psychologie / 150 Psychologie
Licence (German):License LogoKeine Nutzungslizenz vergeben - es gilt das deutsche Urheberrecht
Notes extern:
The original publication is within the university network available at web.ebscohost.com:
Psychology and Aging. - 8 (1993) Issue 2, p. 207-220
ISSN 1939-1498
DOI 10.1037/0882-7974.8.2.207