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Related Experiment Video

Updated: Jun 21, 2026

How to Study Placebo Responses in Motion Sickness with a Rotation Chair Paradigm in Healthy Participants
08:50

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Published on: December 14, 2014

Performance and autonomic responses during motion sickness.

Joakim Dahlman1, Anna Sjörs, Johan Lindström

  • 1Linköping University, Linköping, Sweden.

Human Factors
|July 29, 2009
PubMed
Summary

Motion sickness negatively impacts short-term memory performance. As symptoms worsen, cognitive abilities like memory decline, particularly for individuals unable to complete the experiment.

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Area of Science:

  • Cognitive psychology
  • Neuroscience
  • Human factors engineering

Background:

  • Motion sickness is known to impair general performance.
  • Specific effects on short-term memory remain unclear.
  • Understanding these effects is crucial for high-risk professions.

Purpose of the Study:

  • To investigate the impact of motion sickness on short-term memory.
  • To examine autonomic nervous system responses during induced motion sickness.

Main Methods:

  • Participants underwent induced motion sickness using an optokinetic drum.
  • Short-term memory was assessed via a listening span test.
  • Physiological measures included heart rate, skin conductance, and pupil size.

Main Results:

  • 16 of 38 participants withdrew due to severe nausea.
  • Short-term memory performance decreased in those who terminated the trial.
  • Autonomic response data were inconclusive.

Conclusions:

  • Short-term memory performance declines as motion sickness severity increases.
  • Findings have implications for personnel operating in environments that induce motion sickness.