Why the study?
Does age affect performance on the 64-card Wisconsin Card Sort Test in a healthy elderly population?
Does age affect performance on the 64-card Wisconsin Card Sort Test in a healthy elderly population?
Age-related cognitive deterioration on the WCST is less marked in a healthy elderly population without chronic medical problems.
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Suggests age-adjusted WCST norms may be needed in elderly; leaves open comorbidity effects on decline.
Haaland et al. (1987) studied this question.
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