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Related Experiment Video

Updated: Jun 3, 2025

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

Published on: March 1, 2017

Effect of virtual interactions through avatar agents on the joint Simon effect.

Yuki Harada^1,2, Yoshiko Arima^1,3, Mahiro Okada³

¹Center for Social and Psychological Research of Metaverse, Faculty of Humanities, Kyoto University of Advanced Science, Kyoto, Japan.

|January 10, 2025

Summary

Virtual avatars can trigger the joint Simon effect, demonstrating social influence even without physical presence. Gaze visualization did not enhance this effect in immersive virtual environments.

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Area of Science:

Cognitive Psychology
Human-Computer Interaction
Virtual Reality

Background:

The joint Simon effect is influenced by social factors and shared stimulus-action representations.
Virtual interactions via avatars may elicit this effect due to avatars acting as intentional agents.

Purpose of the Study:

To investigate if virtual interactions through avatars can produce the joint Simon effect.
To examine the influence of visualizing a partner's gaze on the joint Simon effect in virtual environments.

Main Methods:

Two experiments were conducted using immersive virtual environments where participants controlled avatars.
Participants performed a task involving touching virtual buttons based on target object colors, with manipulated stimulus-button compatibility.
Experiment 2 additionally manipulated the visualization of the partner's gaze.

Main Results:

Avatar-based interactions significantly delayed responses to incompatible stimuli compared to compatible stimuli, indicating a joint Simon effect.
Visualizing the partner's gaze did not significantly influence responses to spatially competing stimuli.

Conclusions:

Virtual interactions mediated by avatar agents can induce the joint Simon effect, irrespective of physical co-presence.
The hypothesis that gaze visualization would enhance the effect was not supported, suggesting gaze cues may not be as critical in this virtual context.