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. 2017 Jan 20;8:5. doi: 10.3389/fneur.2017.00005

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Copyright © 2017 Chiarovano, Wang, Rogers, MacDougall, Curthoys and de Waele.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Statokinesigram of a BVL patient on the WBB + foam eyes closed (A), with visual perturbation at VR0 [stable world (B)], and with visual perturbation at VR0.1 [perturbed world (C)]. Right graphs: X (red trace) and Y (blue trace) trajectory of the center of gravity of the body in function of time. Left graphs: XY trajectory of the center of gravity of the body (green trace) with the limits of normality (blue square) and limits of stability (red square). Noticed that this BVL patient failed on the WBB + foam with eyes closed and with visual perturbation at VR0.1 but did not fall with a stable visual world (VR0). BVL, bilateral vestibular loss; VR, virtual reality; WBB, Wii Balance Board.