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Age related changes in subjective cognitive functioning
Author(s)Rudolf W H M Ponds, M P J van Boxtel, Jellemer Jolles
Journal titleEducational Gerontology, vol 26, no 1, January-February 2000
Pagespp 67-82
KeywordsCognitive processes ; Mental health [elderly] ; Evaluation ; Cross sectional surveys ; Netherlands.
AnnotationThe main focus of this study was to examine age-related changes in self-evaluation of cognitive functioning in the domains of memory, attention, mental speed, planning and decision-making. Some 2,000 Dutch people in the age range 24 to 86 years rated their present cognitive functioning relative to three different reference points: compared to their age-mates; to their level 5-10 years ago; and to their level when they were 25. An age-stratified group of 420 participants also completed a series of cognitive tests. Age-related decline in subjective cognitive functioning started at the age of 50 and steadily increased thereafter. This decline was not restricted to memory, but also involved changes in attention, mental speed, planning and decision-making. When participants compared their present cognitive functioning with that of their own age group, no age effects were found. Subjective health and depression were both related to subjective decline in cognitive functioning. No relation was found between subjective and objective cognitive functioning. (RH).
Accession NumberCPA-000411227 A
ClassmarkDA: D: 4C: 3KB: 76H

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