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Related Experiment Video

Updated: Jun 29, 2025

How to Create and Use Binocular Rivalry
14:34

How to Create and Use Binocular Rivalry

Published on: November 10, 2010

75.4K

Short communication: Binocular rivalry dynamics during locomotion.

Brian Szekely1, Robert Keys2, Paul MacNeilage1

  • 1Department of Psychology, University of Nevada, Reno, Reno, Nevada, United States of America.

Plos One
|April 1, 2024
PubMed
Summary

Locomotion does not significantly alter binocular rivalry dynamics. However, visual alternation rates during walking vary with the step cycle, peaking at heel strike and minimizing during toe-off.

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Area of Science:

  • Neuroscience
  • Visual Perception
  • Human Locomotion

Background:

  • Locomotion influences visual processing in humans and animals.
  • Binocular rivalry, the perceptual competition between two different images presented to each eye, is a key area for studying visual processing.
  • Previous research suggests locomotion may affect visual processing dynamics, but its specific impact on binocular rivalry remains underexplored.

Purpose of the Study:

  • To investigate the impact of locomotion on the dynamics of binocular rivalry.
  • To compare binocular rivalry metrics between stationary and walking conditions.
  • To explore the relationship between the human step cycle and visual alternation patterns.

Main Methods:

  • Participants viewed orthogonally oriented, contrast-modulating gratings (0.8 Hz and 3.2 Hz) in a virtual reality environment.

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Related Experiment Videos

Last Updated: Jun 29, 2025

How to Create and Use Binocular Rivalry
14:34

How to Create and Use Binocular Rivalry

Published on: November 10, 2010

75.4K
How to Build a Dichoptic Presentation System That Includes an Eye Tracker
05:48

How to Build a Dichoptic Presentation System That Includes an Eye Tracker

Published on: September 6, 2017

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  • Two conditions were tested: stationary (standing still) and walking (on a circular path).
  • Foot position was tracked to monitor the step cycle, and participants continuously reported their dominant visual percept.

    • Main Results:

    • No significant differences were found in normalized dominance duration distributions, mean normalized dominance distributions, mean alternation rates, or mean fitted frequencies between walking and stationary conditions.
    • Alternation rates demonstrated a significant variation across the step cycle during locomotion.
    • The number of alternations was lowest during the toe-off phase and highest during the heel strike phase of the step cycle.

    Conclusions:

    • Locomotion, specifically walking, does not significantly alter overall binocular rivalry dynamics compared to standing.
    • However, the temporal dynamics of visual alternations are modulated by the phases of the human step cycle.
    • These findings provide novel insights into the intricate relationship between motor activity and visual perception, highlighting the dynamic nature of alternation patterns during locomotion.