Perceptual Inhibition Is Not a Specific Component of the Sensory Integration Process Necessary for a Rapid Voluntary Step Initiation in Healthy Older Adults

Justine Magnard, Gilles Berrut, Catherine Couturier, Thomas Cattagni, Christophe Cornu, Thibault Deschamps and Nicole Anderson

The Journals of Gerontology: Series B, 2020, vol. 75, issue 9, 1921-1929

Abstract: ObjectivesWe investigated whether performing step initiation during a proprioceptive perturbation would require greater perceptual or motor inhibitory control in older adults.MethodFifty-two healthy adults (young: n = 26, mean age 22.5 years vs. older: n = 26, mean age 70.1 years) performed a stepping reaction time task, with different inhibition requirements (i.e., perceptual vs. motor inhibitory conflict), with two proprioceptive configurations: with and without application of Achilles tendon vibrations.ResultsBeyond a systematically greater stepping reaction time in older adults (p

Keywords: Inhibitory processes; Proprioception; Stepping; Achilles tendon vibration (search for similar items in EconPapers)
Date: 2020
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