Postural sway and the frequency of horizontal eye movements

Thomas A. Stoffregen, Benoît G. Bardy, Cédrick T. Bonnet, Philip Hove, Olivier Oullier

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Abstract

In two experiments, participants were asked to shift gaze to follow horizontal target oscillation to allow us to investigate relations between eye movements and postural dynamics. Postural sway variability was reduced during target oscillation when compared to sway while viewing a stationary target. The influence of target oscillation on sway was independent of target oscillation frequency. Similar results were obtained with measurements of the center of pressure (Experiment 1) and the displacement of body segments (Experiment 2). The overall results are not consistent with the view that eye movements and postural control compete for limited central processing resources. The results are consistent with the thesis of a functional integration of postural control with visual performance.

Original languageEnglish (US)
Pages (from-to)86-102
Number of pages17
JournalMotor control
Volume11
Issue number1
StatePublished - Jan 1 2007

Keywords

  • Gaze
  • Perception
  • Stance
  • Sway
  • Visual performance

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    Stoffregen, T. A., Bardy, B. G., Bonnet, C. T., Hove, P., & Oullier, O. (2007). Postural sway and the frequency of horizontal eye movements. Motor control, 11(1), 86-102.