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Rotation of subjective vertical is an important factor of visually-induced motion sickness
1Dept. of Information and Knowledge Engineer., Faculty of Engineer., Tottori University, Tottori, Japan.
Journal of Gravitational Physiology : a Journal of the International Society for Gravitational Physiology
|April 17, 2003
Abstract:
Motion of visual scene (optokinetic stimulus) projected on a wide screen frequently induces motion sickness. Rotational movements of 3D visual images were analyzed to examine what factors are effective in visually-induced motion sickness and how the gravity contributes to its inducement. While an angle of a rotational axis of 3D visual image from the gravitational direction and its angle from the subjective vertical which was perceived by viewers through 3D visual image were varied, the severity of visually-induced motion sickness was measured.