Self-induced motion sickness in unperturbed stance

L. James Smart, Randy J. Pagulayan, Thomas A. Stoffregen

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Motion sickness typically occurs when the body is subjected to externally imposed motions, but there are situations in which sickness occurs in the absence of imposed motion. We report a new and unanticipated instance of the latter. Subjects in a study of spontaneous standing postural sway sometimes reported dizziness and motion sickness. Reports of sickness were correlated with changes in postural sway. We consider possible implications of these findings for two current theories of motion sickness etiology: the sensory conflict theory and the postural instability theory.

Original languageEnglish (US)
Pages (from-to)449-457
Number of pages9
JournalBrain Research Bulletin
Volume47
Issue number5
DOIs
StatePublished - Nov 15 1998

Bibliographical note

Funding Information:
We thank Lawrence Hettinger, Benoı̂t Bardy and Gary Riccio for helpful discussions about data analysis and Alexis Salaman for assistance with data reduction and analysis. Supported in part by a grant from the National Science Foundation (SBR-9601351) to Thomas A. Stoffregen.

Keywords

  • Instability
  • Motor control
  • Posture
  • Sway
  • Vision

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