Moving Visual Scenes Influence the Apparent Direction of Gravity

Science  15 Dec 1972:
Vol. 178, Issue 4066, pp. 1217-1219
DOI: 10.1126/science.178.4066.1217


When an observer views a wide-angled display rotating around his line of sight, he both feels his body tilted and sees a vertical straight edge tilted opposite to the moving stimulus. Displacement of the perceived vertical increases with stimulus speed to reach a maximum (averaging 15 degrees) at 30 degrees per second.

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