Correlations between individual susceptibility to visually induced motion sickness and decaying time constant of after-nystagmus

Applied Ergonomics
Coco C T GuoRaymond T F Cheung

Abstract

This study examines the correlations between optokinetic after-nystagmus (OKAN) parameters and individual susceptibility to visually induced motion sickness (VIMS). Twenty-seven participants were exposed to vertical black-and-white stripes drifting along the yaw axis at 60° per second for 30 min to collect individual VIMS data (Phase 1). Two weeks after the exposure, OKANs were measured (Phase 2). 19 out of 27 participants (i.e., 70%) exhibited consistent OKAN patterns. Significant correlations between the time constants of OKAN and levels of VIMS experienced by the same viewers were found. Four months later, these 27 participants were invited back for a second OKAN measurement (Phase 3). Twenty-one participants came back. Their two OKAN measurements were significantly correlated (r = 0.69, p = 0.001). Rated levels of VIMS in phase 1 significantly correlated with the time constant of OKAN in both Phase 2 (r = 0.51, p = 0.044) and Phase 3 (r = 0.74, p = 0.006). The implications of the correlation results are discussed.

References

Sep 27, 2007·Journal of Neuroengineering and Rehabilitation·Tohru Kiryu, Richard H Y So

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Citations

Nov 10, 2017·Current Opinion in Neurology·Alexander A Tarnutzer, Dominik Straumann
Aug 19, 2018·Experimental Brain Research·Suzanne A E NooijHeinrich H Bülthoff
Jul 6, 2020·Journal of Vestibular Research : Equilibrium & Orientation·Justin Maximilian Mittelstaedt
Apr 20, 2021·Frontiers in Neurology·Jan GygliGiovanni Bertolini

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