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Age (Dordr). 2012 Oct;34(5):1179-94. Epub 2011 Aug 18.

Presbypropria: the effects of physiological ageing on proprioceptive control.

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  • 1UJF-Grenoble 1/CNRS/TIMC-IMAG UMR 5525, 38041, Grenoble, France. matthieu.boisgontier@imag.fr

Abstract

Several changes in the human sensory systems, like presbycusis or presbyopia, are well-known to occur with physiological ageing. A similar change is likely to occur in proprioception, too, but there are strong and unexplained discrepancies in the literature. It was proposed that assessment of the attentional cost of proprioceptive control could provide information able to unify these previous studies. To this aim, 15 young adults and 15 older adults performed a position matching task in single and dual-task paradigms with different difficulty levels of the secondary task (congruent and incongruent Stroop-type tasks) to assess presumed age-related deficits in proprioceptive control. Results showed that proprioceptive control was as accurate and as consistent in older as in young adults for a single proprioceptive task. However, performing a secondary cognitive task and increasing the difficulty of this secondary task evidenced both a decreased matching performance and/or an increased attentional cost of proprioceptive control in older adults as compared to young ones. These results advocated for an impaired proprioception in physiological ageing.

PMID:
21850402
[PubMed - indexed for MEDLINE]
PMCID:
PMC3448996
Free PMC Article
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