Does virtual threat harm VR experience?: Impact of threat occurrence and repeatability on virtual embodiment and threat response - Archive ouverte HAL Access content directly
Journal Articles Computers and Graphics Year : 2021

Does virtual threat harm VR experience?: Impact of threat occurrence and repeatability on virtual embodiment and threat response

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Abstract

This paper is an extended version of a previous paper [1] published at ICAT-EGVE 2020. We explored the potential impact of threat occurrence and repeatability on users' Sense of Embodiment (SoE) and threat response. To that aim, we conducted an experiment in which participants were embodied in a virtual avatar, and performed a task in which a threat towards the virtual body was introduced a first time, then repeated several times through the experiment (in total 5 times). The SoE of participants as well as their subjective response to the threat were assessed through subjective questionnaires before the introduction of the threat, after a first introduction of the threat and at the end of the experiment. A control group did the same experiment with no threat introduced during the task. The main findings of our experiment are that the introduction of a threat does not alter users' SoE but might change their behaviour while performing a task after the threat occurrence. In addition, threat repetitions did not show any effect on users' subjective SoE, or subjective and objective responses to threat. Taken together, our results suggest that embodiment studies should expect potential change in participants behaviour while doing a task after a threat was introduced, but that threat introduction and repetition do not seem to impact the subjective measure of the SoE (subective ratings) nor the objective measure of the SoE (physical reaction to threat).
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Dates and versions

hal-03468505 , version 1 (07-12-2021)

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Rebecca Fribourg, Evan Blanpied, Ludovic Hoyet, Anatole Lécuyer, Ferran Argelaguet. Does virtual threat harm VR experience?: Impact of threat occurrence and repeatability on virtual embodiment and threat response. Computers and Graphics, 2021, 100, pp.125-136. ⟨10.1016/j.cag.2021.07.017⟩. ⟨hal-03468505⟩
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