期刊
JOURNAL OF THE INTERNATIONAL NEUROPSYCHOLOGICAL SOCIETY
卷 19, 期 7, 页码 841-844出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S1355617713000593
关键词
Aging; Cognitive reserve; Compensation; Strategy selection; Strategy adaptivity; Computational estimation
资金
- National Institute on Aging [5R01AG026158-5]
Cognitive reserve (CR) has been proposed as a latent variable that can account for the frequent discrepancy between an individual's underlying level of brain pathology and their observed clinical outcome. A possible behavioral manifestation of CR is best strategy choice. Older adults have been shown to choose sub-optimal strategies for performing various tasks. The present study attempted to investigate whether greater levels of CR could predict greater strategy selection, particularly in older adults. A computational estimation task was administered to 20 healthy young adults (mean age = 24.7 +/- 3.6; 20-31 years) and 18 healthy older adults (68.2 +/- 4.5; 62-77 years) wherein participants needed to estimate the product of two two-digit numbers by using one of two strategies. The results revealed an effect of age group on strategy choice and supported the hypothesis that CR is associated with increased strategy selection abilities.
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