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| Research article summary (published 30 May 2003): |
The fate of cognition in very old age: six-year longitudinal findings in the Berlin Aging Study (BASE).
Full Abstract
The authors report full-information longitudinal age gradients in 4 intellectual abilities on the basis of 6-year longitudinal changes in 132 individuals (mean age at T1 = 78.27, age range = 70-100) from the Berlin Aging Study. Relative to the cross-sectional parent sample (N = 516, mean age at T1 = 84.92 years), this sample was positively selected because of differential mortality and experimental attrition. Perceptual speed, memory, and fluency declined with age. In contrast, knowledge remained stable up to age 90, with evidence for decline thereafter. Age gradients were more negative in old old (n = 66, mean age at T1 = 83.04) than in old (n = 66, mean age at T1 = 73.77) participants. Rates of decline did not differ reliably between men and women or between participants with high versus low life-history status. They conclude that intellectual development after age 70 varies by distance to death, age, and intellectual ability domain.
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Author information
Author/s: Singer, Tania (T); Verhaeghen, Paul (P); Ghisletta, Paolo (P); Lindenberger, Ulman (U); Baltes, Paul B (PB);
Affiliation: Max Planck Institute for Human Development, Berlin, Germany. t.singer(-atsign-)fil.ion.ucl.ac.uk
Grants: AG-16201 (Agency:United States NIA)
Journal and publication information
Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S.
Journal: Psychology and aging (Psychol Aging), published in United States. (Language: eng)
Reference: 2003-Jun; vol 18 (issue 2) : pp 318-31
Dates: Created 2003/06/26; Completed 2003/10/31; Revised 2007/11/14;
PMID: 12825779, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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