Nov 17, 2009

Combined pitch and roll and cybersickness in a virtual environment

Aviation, Space, and Environmental Medicine
Frederick BonatoStephen Palmisano

Abstract

Stationary subjects who perceive visually induced illusions of self-motion, or vection, in virtual reality (VR) often experience cybersickness, the symptoms of which are similar to those experienced during motion sickness. An experiment was conducted to test the effects of single and dual-axis rotation of a virtual environment on cybersickness. It was predicted that VR displays which induced illusory dual-axis (as opposed to single-axis) self-rotations in stationary subjects would generate more sensory conflict and subsequently more cybersickness. There were 19 individuals (5 men, 14 women, mean age = 19.8 yr) who viewed the interior of a virtual cube that steadily rotated (at 60 degrees x s(-1)) about either the pitch axis or both the pitch and roll axes simultaneously. Subjects completed the Simulator Sickness Questionnaire (SSQ) before a trial and after 5 min of stimulus viewing. Post-treatment total SSQ scores and subscores for nausea, oculomotor, and disorientation were significantly higher in the dual-axis condition. These results support the hypothesis that a vection-inducing VR stimulus that rotates about two axes generates more cybersickness compared to aVR stimulus that rotates about only one. In the single-axis condi...Continue Reading

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Mentioned in this Paper

Epilepsy
Pseudo brand of pseudoephedrine
Severity of Illness Index
Medicine, Space
Nausea
Virtual Systems
Oculomotor
Motion Sickness brand of dimenhydrinate
Multiple Personality Disorder
Airsickness

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