Apr 6, 2017

Vection is the main contributor to motion sickness induced by visual yaw rotation: Implications for conflict and eye movement theories

PloS One
Suzanne A E NooijHeinrich H Bülthoff

Abstract

This study investigated the role of vection (i.e., a visually induced sense of self-motion), optokinetic nystagmus (OKN), and inadvertent head movements in visually induced motion sickness (VIMS), evoked by yaw rotation of the visual surround. These three elements have all been proposed as contributing factors in VIMS, as they can be linked to different motion sickness theories. However, a full understanding of the role of each factor is still lacking because independent manipulation has proven difficult in the past. We adopted an integrative approach to the problem by obtaining measures of potentially relevant parameters in four experimental conditions and subsequently combining them in a linear mixed regression model. To that end, participants were exposed to visual yaw rotation in four separate sessions. Using a full factorial design, the OKN was manipulated by a fixation target (present/absent), and vection strength by introducing a conflict in the motion direction of the central and peripheral field of view (present/absent). In all conditions, head movements were minimized as much as possible. Measured parameters included vection strength, vection variability, OKN slow phase velocity, OKN frequency, the number of inadverte...Continue Reading

  • References20
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References

  • References20
  • Citations1

Citations

Mentioned in this Paper

Neuro-Oncological Ventral Antigen 2
Nystagmus
Study
Fixation, Ocular
Serum Sickness
Optokinetic Nystagmus
Clinorotation
NCS1 gene
Pseudo brand of pseudoephedrine
Visual Perception

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