Manual dexterity in young and healthy older adults. 2. Association with cognitive abilities

Developmental Psychobiology
Olena VasylenkoClaudia Rodríguez-Aranda

Abstract

Currently, little is known about the cognitive constraints underlying manual dexterity decline in aging. Here, we assessed the relationship between cognitive function and dexterity in 45 young and 55 healthy older adults. Effects of gender on the cognition-dexterity association were also explored. Cognitive assessment comprised neuropsychological tests of executive function, working memory, attention, and memory. Dexterity assessment included evaluation of movement times and kinematics during performance of unimanual and bimanual tasks of the Purdue Pegboard Test. Cognitive and dexterity group differences were established. Thereafter, regression analyses showed that executive function best predicted movement times and to some extent path lengths for the left hand in the older group. No gender differences were found in older participants. The findings confirm the involvement of executive function in manual dexterity in aging and suggest that movement times and path length may be useful parameters to assess the cognition-dexterity association in older adults.

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Citations

Aug 8, 2020·International Journal of Occupational Safety and Ergonomics : JOSE·Matin RostamiAlireza Choobineh
Jan 23, 2019·Frontiers in Neuroscience·Sheida RabipourFrançois Tremblay
Jul 12, 2020·Journal of Alzheimer's Disease : JAD·Sydney Y SchaeferKevin Duff
Mar 11, 2020·Journal of Hand Therapy : Official Journal of the American Society of Hand Therapists·Katherine RuleKristin Valdes
Jul 27, 2021·Journal of Hand Therapy : Official Journal of the American Society of Hand Therapists·Nadine WilsonRoss Clark

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