Effects of stereopsis on vection, presence and cybersickness in head-mounted display (HMD) virtual reality

Abstract Stereopsis provides critical information for the spatial visual perception of object form and motion. We used virtual reality as a tool to understand the role of global stereopsis in the visual perception of self-motion and spatial presence using virtual environments experienced through hea...

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Autores principales:	Wilson Luu, Barbara Zangerl, Michael Kalloniatis, Juno Kim
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/cbfd6703a84c47fca725c8e0870128d9
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id	oai:doaj.org-article:cbfd6703a84c47fca725c8e0870128d9
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spelling	oai:doaj.org-article:cbfd6703a84c47fca725c8e0870128d92021-12-02T17:47:36ZEffects of stereopsis on vection, presence and cybersickness in head-mounted display (HMD) virtual reality10.1038/s41598-021-89751-x2045-2322https://doaj.org/article/cbfd6703a84c47fca725c8e0870128d92021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89751-xhttps://doaj.org/toc/2045-2322Abstract Stereopsis provides critical information for the spatial visual perception of object form and motion. We used virtual reality as a tool to understand the role of global stereopsis in the visual perception of self-motion and spatial presence using virtual environments experienced through head-mounted displays (HMDs). Participants viewed radially expanding optic flow simulating different speeds of self-motion in depth, which generated the illusion of self-motion in depth (i.e., linear vection). Displays were viewed with the head either stationary (passive radial flow) or laterally swaying to the beat of a metronome (active conditions). Multisensory conflict was imposed in active conditions by presenting displays that either: (i) compensated for head movement (active compensation condition), or (ii) presented pure radial flow with no compensation during head movement (active no compensation condition). In Experiment 1, impairing stereopsis by anisometropic suppression in healthy participants generated declines in reported vection strength, spatial presence and severity of cybersickness. In Experiment 2, vection and presence ratings were compared between participants with and without clinically-defined global stereopsis. Participants without global stereopsis generated impaired vection and presence similarly to those found in Experiment 1 by subjects with induced stereopsis impairment. We find that reducing global stereopsis can have benefits of reducing cybersickness, but has adverse effects on aspects of self-motion perception in HMD VR.Wilson LuuBarbara ZangerlMichael KalloniatisJuno KimNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Wilson Luu Barbara Zangerl Michael Kalloniatis Juno Kim Effects of stereopsis on vection, presence and cybersickness in head-mounted display (HMD) virtual reality
description	Abstract Stereopsis provides critical information for the spatial visual perception of object form and motion. We used virtual reality as a tool to understand the role of global stereopsis in the visual perception of self-motion and spatial presence using virtual environments experienced through head-mounted displays (HMDs). Participants viewed radially expanding optic flow simulating different speeds of self-motion in depth, which generated the illusion of self-motion in depth (i.e., linear vection). Displays were viewed with the head either stationary (passive radial flow) or laterally swaying to the beat of a metronome (active conditions). Multisensory conflict was imposed in active conditions by presenting displays that either: (i) compensated for head movement (active compensation condition), or (ii) presented pure radial flow with no compensation during head movement (active no compensation condition). In Experiment 1, impairing stereopsis by anisometropic suppression in healthy participants generated declines in reported vection strength, spatial presence and severity of cybersickness. In Experiment 2, vection and presence ratings were compared between participants with and without clinically-defined global stereopsis. Participants without global stereopsis generated impaired vection and presence similarly to those found in Experiment 1 by subjects with induced stereopsis impairment. We find that reducing global stereopsis can have benefits of reducing cybersickness, but has adverse effects on aspects of self-motion perception in HMD VR.
format	article
author	Wilson Luu Barbara Zangerl Michael Kalloniatis Juno Kim
author_facet	Wilson Luu Barbara Zangerl Michael Kalloniatis Juno Kim
author_sort	Wilson Luu
title	Effects of stereopsis on vection, presence and cybersickness in head-mounted display (HMD) virtual reality
title_short	Effects of stereopsis on vection, presence and cybersickness in head-mounted display (HMD) virtual reality
title_full	Effects of stereopsis on vection, presence and cybersickness in head-mounted display (HMD) virtual reality
title_fullStr	Effects of stereopsis on vection, presence and cybersickness in head-mounted display (HMD) virtual reality
title_full_unstemmed	Effects of stereopsis on vection, presence and cybersickness in head-mounted display (HMD) virtual reality
title_sort	effects of stereopsis on vection, presence and cybersickness in head-mounted display (hmd) virtual reality
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/cbfd6703a84c47fca725c8e0870128d9
work_keys_str_mv	AT wilsonluu effectsofstereopsisonvectionpresenceandcybersicknessinheadmounteddisplayhmdvirtualreality AT barbarazangerl effectsofstereopsisonvectionpresenceandcybersicknessinheadmounteddisplayhmdvirtualreality AT michaelkalloniatis effectsofstereopsisonvectionpresenceandcybersicknessinheadmounteddisplayhmdvirtualreality AT junokim effectsofstereopsisonvectionpresenceandcybersicknessinheadmounteddisplayhmdvirtualreality
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Effects of stereopsis on vection, presence and cybersickness in head-mounted display (HMD) virtual reality

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