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Related Experiment Video

Updated: Oct 11, 2025

Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform
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Oculomotor stimulation without visual input has no impact on postural control.

Yi Ran Wang1,2, Benoit-Antoine Bacon3, Maxime Maheu4

  • 1Department of Psychology, Université de Montréal, Montréal.

Neuroreport
|December 7, 2021
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Summary
This summary is machine-generated.

Eye movements impact balance, but only when vision is present. This study found no direct link between eye muscle signals and postural stability, highlighting vision

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Area of Science:

  • Neuroscience
  • Biomechanics
  • Ophthalmology

Background:

  • Eye movements are known to influence balance.
  • Previous research hypothesized a role for extraocular oculomotor signals.
  • Methodological limitations prevented isolating visual and oculomotor effects.

Purpose of the Study:

  • To investigate the effect of eye movements on balance without visual input.
  • To differentiate the impact of oculomotor activity from visual stimulation on postural control.

Main Methods:

  • Assessed static postural control using a force platform in 20 participants.
  • Participants performed tasks involving stillness, tongue movements, or eye movements at 2 Hz.
  • Electrophysiological recordings monitored movements under conditions of eyes open and eyes closed.

Main Results:

  • Significant changes in postural control were observed with eye movements when eyes were open.
  • No significant differences in postural control were found when eyes were closed.
  • Tongue movements did not significantly affect postural control.

Conclusions:

  • The visual system provides crucial spatial cues for maintaining balance.
  • Extraocular oculomotor signals are not directly involved in postural stability.
  • Balance control relies heavily on visual feedback rather than eye movement commands alone.