Visual Vection does not Perturb Squatting Posture
Ecole des Hautes Etudes en Sciences Sociales, Groupe de recherche Apprentissage et Contexte, Paris, France
(2) Université Paris Descartes, Paris, France
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Vision contributes fundamentally to the control of the standing posture. The illusion of self motion falsely perceived (vection) increases postural sway while standing. In this paper we examine the effect of vection on both standing and deep squatting with the hypothesis that the squatting posture should not be disturbed by the conflict of sensory information due to vection. The results show that standing posture only was affected by the visual stimuli. The widespread use of squatting for work as well as rest could be due in part to this lack of effect of sensory perturbation on postural stability.
© Owned by the authors, published by EDP Sciences, 2011