Sensory supplementation through tongue electrotactile stimulation to preserve head stabilization in space in the absence of vision

Investigative Ophthalmology & Visual Science
Nicolas Vuillerme, Rémy Cuisinier

Abstract

To investigate the effectiveness of a head position-based, tongue-placed biofeedback system in providing sensory supplementation to preserve head stability in space in the absence of visual information. Nine healthy young men with normal vision and no history of previous motor problems, neck injury, vertigo, neurologic disease, or vestibular impairment voluntarily participated in the experiment. They were asked to stand, their feet placed in a semitandem position, as immobile as possible in two conditions of No Vision and Vision and two conditions of No Biofeedback and Biofeedback. In the Biofeedback condition, subjects executed the postural task using a biofeedback system whose principle consisted of supplying them with additional information about their head orientation/motion with respect to gravitational vertical through electrotactile stimulation of the tongue. A system for the analysis of movement was used to record the head displacements. Without the provision of the biofeedback (No Biofeedback condition), the No Vision condition yielded increased head displacements along the mediolateral axis compared with the Vision condition. Conversely, when biofeedback was available (Biofeedback condition), no significant difference...Continue Reading

Citations

Jul 9, 2010·Brain Imaging and Behavior·Joseph C WildenbergMary E Meyerand
Jun 3, 2014·Journal of Neuroengineering and Rehabilitation·Mitchell E TylerYuri P Danilov
Mar 10, 2015·La Presse médicale·Cécile Donzé
Feb 7, 2015·Aging and Disease·Shinichi Iwasaki, Tatsuya Yamasoba
Oct 11, 2012·IEEE Transactions on Bio-medical Engineering·C FrancoN Vuillerme
Nov 30, 2018·Frontiers in Neurology·Kathleen H SienkoRobert J Peterka
Feb 20, 2015·Multisensory Research·Bruno DiotNicolas Vuillerme
Apr 15, 2020·Brain Stimulation·Devin AdairMarom Bikson

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