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Related Experiment Video

Updated: Jan 31, 2026

Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability
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Real-time visual feedback about postural activity increases postural instability and visually induced motion

Ruixuan Li1, Nicolette Peterson1, Hannah J Walter1

  • 1School of Kinesiology, University of Minnesota, USA.

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Real-time visual feedback on body sway did not reduce motion sickness and may have worsened it. This postural feedback may destabilize balance control, potentially increasing sickness. Alternative visual displays are suggested.

Keywords:
Motion sicknessPostural swayVisual feedback

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Area of Science:

  • Human movement science
  • Neuroscience
  • Visual perception

Background:

  • Real-time visual feedback influences standing body sway.
  • Previous research indicates visual displays can alter postural control.

Purpose of the Study:

  • To investigate if real-time visual feedback of center of pressure (COP) affects body sway.
  • To determine the impact of COP feedback on visually induced motion sickness.

Main Methods:

  • Participants stood in a moving room with visual oscillations.
  • Real-time center of pressure (COP) displacement feedback was provided via a tablet.
  • Body sway kinematics were monitored before and during visual stimuli.

Main Results:

  • Motion sickness incidence was higher with COP feedback compared to a no-feedback control.
  • Differences in body sway existed between those who did and did not report motion sickness, even before symptom onset.
  • COP feedback did not reduce, and potentially increased, visually induced motion sickness.

Conclusions:

  • Real-time visual feedback of postural activity may destabilize postural control and increase motion sickness.
  • Postural precursors to motion sickness might be exacerbated by COP feedback displays.
  • Alternative visual display strategies are needed to stabilize posture and mitigate motion sickness.