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Better Cognition in...
Better Cognition in New Birth Cohorts of 70 Year Olds, But Greater Decline Thereafter
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- Thorvaldsson, Valgeir, 1976 (författare)
- Gothenburg University,Göteborgs universitet,Psykologiska institutionen,Department of Psychology
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- Karlsson, Peter, 1970- (författare)
- Gothenburg University,Göteborgs universitet,Högskolan i Halmstad,Centrum för forskning om välfärd, hälsa och idrott (CVHI),University of Gothenburg, Gothenburg, Sweden,Psykologiska institutionen,Department of Psychology
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- Skoog, Johan, 1985 (författare)
- Gothenburg University,Göteborgs universitet,Psykologiska institutionen,Department of Psychology
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- Skoog, Ingmar, 1954 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
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- Johansson, Boo (författare)
- Gothenburg University,Göteborgs universitet,Psykologiska institutionen,Department of Psychology
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(creator_code:org_t)
- 2016-12-14
- 2017
- Engelska.
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Ingår i: The journals of gerontology. Series B, Psychological sciences and social sciences. - Cary, NC : Oxford University Press. - 1079-5014 .- 1758-5368. ; 72:1, s. 16-24
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Abstract
Ämnesord
Stäng
- ObjectivesTo evaluate birth cohort differences in level of cognition and rate of change in old age.MethodsData were drawn from three population-based Swedish samples including age-homogenous cohorts born 1901/02, 1906/07, and 1930, and measured on the same cognitive tests at ages 70, 75, and 79 as part of the Gerontological and Geriatric Populations Studies in Gothenburg (H70). We fitted growth curve models to the data using a Bayesian framework and derived estimates and inferences from the marginal posterior distributions.ResultsWe found moderate to large birth cohort effects in level of performance on all cognitive outcomes. Later born cohorts, however, showed steeper linear rate of decline on reasoning, spatial ability, and perceptual- and motor-speed, but not on picture recognition memory and verbal ability.DiscussionThese findings provide strong evidence for substantial birth cohort effects in cognition in older ages and emphasize the importance of life long environmental factors in shaping cognitive aging trajectories. Inferences from cognitive testing, and standardization of test scores, in elderly populations must take into account the substantial birth cohort differences. © The Author 2016. Published by Oxford University Press on behalf of The Gerontological Society of America. All rights reserved.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Annan medicin och hälsovetenskap -- Gerontologi, medicinsk/hälsovetenskaplig inriktning (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Other Medical and Health Sciences -- Gerontology, specialising in Medical and Health Sciences (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Annan medicin och hälsovetenskap (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Other Medical and Health Sciences (hsv//eng)
Nyckelord
- Aging
- Cohort differences
- Cohort effects
- Cognition
- Cognitive change
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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