Haptic Exploration in Young, Middle-aged, and Elderly Adults

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Abstract
Matching accuracy and strategy utilization in young, middle-aged, and elderly adults was examined in a series of intramodal, haptic match-to-standard problems. Subjects were presented with 2-, 3-, and 4-comparison stimulus arrays and asked to locate by touch alone the comparison stimulus that exactly matched the standard. Results indicated that elderly adults, in comparison to young and middleaged adults, were less successful in solving the haptic problems. Furthermore, they also displayed less systematic and logical haptic search strategies. Discussion of the results focused on the competenceperformance distinction and the relation of selectivity and performance during the aging process.

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