• Neuroscience · Jul 2017

    Sensorimotor adaptation of whole-body postural control.

    • Douglas M Shiller, Louis-Nicolas Veilleux, Mikaël Marois, Laurent Ballaz, and Martin Lemay.
    • École d'orthophonie et d'audiologie, Université de Montréal, C.P. 6128, succursale Centre-ville, Montréal, Québec H3C 3J7, Canada; Centre Hospitalier Universitaire Sainte-Justine Research Centre, 3175 Chemin de la Côte-Sainte-Catherine, Montreal, Quebec H3T 1C4, Canada; Centre de Réadaptation Marie Enfant, 5200 Rue Bélanger, Montréal, Quebec H1T 1C9, Canada. Electronic address: douglas.shiller@umontreal.ca.
    • Neuroscience. 2017 Jul 25; 356: 217-228.

    AbstractThe aim of the present study was to examine the modification of postural symmetry during quiet standing using a sensorimotor adaptation paradigm. A group of neurologically typical adult participants performed a visually guided mediolateral (left-right) weight shifting task requiring precise adjustments in body orientation. During one phase of the task, the visual feedback of center of pressure (COP) was systematically biased toward the left or the right, requiring an adjustment in posture to compensate. COP during quiet standing without visual feedback was examined prior to and immediately following the sensorimotor adaptation procedure, in order to observe whether compensatory adjustments in postural control resulting from the visual-feedback manipulation would transfer to the control of whole-body COP during quiet standing. Results showed that the sensorimotor adaptation procedure induced a small but reliable compensatory change in the stance of participants, resulting in a change in postural symmetry and control that was found to persist even after normal visual feedback was restored.Copyright © 2017 IBRO. Published by Elsevier Ltd. All rights reserved.

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