First-Person Perspective Virtual Body Posture Influences Stress: A Virtual Reality Body Ownership Study

PloS One
Ilias BergstromMel Slater

Abstract

In immersive virtual reality (IVR) it is possible to replace a person's real body by a life-sized virtual body that is seen from first person perspective to visually substitute their own. Multisensory feedback from the virtual to the real body (such as the correspondence of touch and also movement) can also be present. Under these conditions participants typically experience a subjective body ownership illusion (BOI) over the virtual body, even though they know that it is not their real one. In most studies and applications the posture of the real and virtual bodies are as similar as possible. Here we were interested in whether the BOI is diminished when there are gross discrepancies between the real and virtual body postures. We also explored whether a comfortable or uncomfortable virtual body posture would induce feelings and physiological responses commensurate with the posture. We carried out an experiment with 31 participants in IVR realized with a wide field-of-view head-mounted display. All participants were comfortably seated. Sixteen of them were embodied in a virtual body designed to be in a comfortable posture, and the remainder in an uncomfortable posture. The results suggest that the uncomfortable body posture led ...Continue Reading

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Citations

Feb 27, 2017·Neuropsychologia·Indrajeet PatilGiorgia Silani
Mar 16, 2018·IEEE Transactions on Visualization and Computer Graphics·Tabitha C PeckJessica J Good
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Jan 10, 2017·PloS One·Pierre BourdinMel Slater
Jan 7, 2021·Journal of Clinical Medicine·Marta Matamala-GomezGiuseppe Riva
Jan 28, 2021·Frontiers in Robotics and AI·Alexander ToetJan B F van Erp
Oct 3, 2018·Frontiers in Robotics and AI·Adrien VerhulstGuillaume Moreau
Apr 23, 2021·Scientific Reports·Souta HidakaWataru Teramoto
Oct 2, 2018··Patrick G.T. HealeyLeshao Zhang
May 3, 2017··Shunichi KasaharaJunichi Ushiba

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Software Mentioned

gBSanalyze
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MeMirror
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MeDown
Motion Builder
MyPosture
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