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Related Experiment Videos

Postural instability and motion sickness in a fixed-based flight simulator.

T A Stoffregen1, L J Hettinger, M W Haas

  • 1Department of Psychology, University of Cincinnati 45201-0376, USA. stoffrta@email.uc.edu

Human Factors
|January 2, 2001
PubMed
Summary
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Postural instability, measured by head motion, significantly preceded subjective symptoms in participants experiencing motion sickness during flight simulation. This supports the postural instability theory of motion sickness.

Area of Science:

  • Human-Computer Interaction
  • Neuroscience
  • Vestibular System

Background:

  • Motion sickness is a common issue in virtual environments.
  • The postural instability theory suggests sensory-motor disturbances precede sickness onset.

Purpose of the Study:

  • To investigate if postural instability precedes subjective symptoms of motion sickness.
  • To evaluate the postural instability theory in a flight simulator context.

Main Methods:

  • Participants were exposed to oscillating optical flow in a flight simulator.
  • Head motion was measured before and during visual stimulation.
  • Participants self-reported motion sickness symptoms.

Main Results:

Related Experiment Videos

  • Increased head motion was observed in participants who later reported motion sickness.
  • This increased head motion occurred before the onset of subjective symptoms.
  • Results support the prediction that postural instability precedes motion sickness.

    • Conclusions:

    • Findings support the postural instability theory of motion sickness.
    • Potential applications include mitigating motion sickness in virtual reality and flight simulators.