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Related Experiment Video

Updated: Jun 25, 2026

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

Capturing eye-gaze synchrony in a triadic interaction: A proof-of-concept study.

Mariah Matar1, Alexandre Heeren2,3, Rudi De Raedt4

  • 1Psychological Science Research Institute, UCLouvain, Louvain-La-Neuve, Belgium. mariah.matar@uclouvain.be.

Scientific Reports
|June 23, 2026
PubMed
Summary

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This study demonstrates capturing eye-gaze synchrony in three-person conversations using mobile eye tracking. A reproducible workflow was developed, highlighting the importance of operationalizing gaze coordination methods.

Area of Science:

  • Social Psychology
  • Human-Computer Interaction
  • Neuroscience

Background:

  • Eye-gaze synchrony, the coordination of eye movements, is vital in social interactions.
  • Existing research primarily focuses on dyadic (two-person) settings.
  • Methodological challenges hinder the study of gaze synchrony in multi-person interactions.

Purpose of the Study:

  • To investigate the feasibility of capturing eye-gaze synchrony in triadic (three-person) interactions.
  • To propose and validate a reproducible workflow for mobile eye tracking in group settings.
  • To compare different operationalizations of eye-gaze synchrony in a triadic conversation.

Main Methods:

  • Utilized Tobii Pro Glasses 3 mobile eye trackers for three participants in a 7-minute conversation.
Keywords:
Behavioral synchronyEye trackingGaze coordinationJoint attentionTriadic interaction

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A Methodology for Capturing Joint Visual Attention Using Mobile Eye-Trackers
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A Methodology for Capturing Joint Visual Attention Using Mobile Eye-Trackers

Published on: January 18, 2020

Related Experiment Videos

Last Updated: Jun 25, 2026

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

A Methodology for Capturing Joint Visual Attention Using Mobile Eye-Trackers
12:39

A Methodology for Capturing Joint Visual Attention Using Mobile Eye-Trackers

Published on: January 18, 2020

  • Synchronized independent recordings using a router-based setup.
  • Re-expressed gaze data in a common 2D reference frame and compared event-based and index-based synchrony approaches.

    • Main Results:

    • Successfully captured and analyzed eye-gaze synchrony in a triadic interaction.
    • Different operationalizations (event-based vs. index-based) revealed distinct patterns of gaze coordination.
    • Demonstrated the technical feasibility of using mobile eye tracking for group gaze analysis.

    Conclusions:

    • Mobile eye tracking is technically feasible for studying gaze coordination in triadic settings.
    • The choice of synchrony operationalization significantly impacts the observed patterns of gaze coordination.
    • The proposed workflow offers a foundation for future research on group eye-gaze synchrony.