Summary
The influence of moving visual surround on the maintenance of upright posture has been studied in man during combined motion of a platform (cart) on which subjects were standing. The normal visual surround was either moving together with the cart, or with a velocity equal to cart velocity either in the same or in the opposite direction of cart motion (cart acceleration was either 0.2 m/s2 or 0.05 m/s2). The changes in body pitch observed under these three conditions of visual surround motion were in the same direction as those observed when visual surround motion was given in isolation. However, their amplitude was greater, particularly when visual surround motion was in conflict with body motion.
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Soechting, J.F., Berthoz, A. Dynamic role of vision in the control of posture in man. Exp Brain Res 36, 551–561 (1979). https://doi.org/10.1007/BF00238522
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DOI: https://doi.org/10.1007/BF00238522