High Ecological Validity and Accurate Stimulus Control in VR-based Psychological Experiments

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dc.contributor.authorWolter, Marcen_US
dc.contributor.authorArmbruester, Claudiaen_US
dc.contributor.authorValvoda, Jakob T.en_US
dc.contributor.authorKuhlen, Torstenen_US
dc.contributor.editorBernd Froehlich and Roland Blach and Robert van Liereen_US
dc.date.accessioned2014-01-27T10:56:01Z
dc.date.available2014-01-27T10:56:01Z
dc.date.issued2007en_US
dc.description.abstractVirtual Reality (VR) has become a useful tool in psychological therapy, rehabilitation, and basic research. It provides the therapist or scientist with high ecological validity and complete control over multimodal stimuli and the virtual environment. To build lifelike virtual environments, commercial software or game engines are often used. On the other hand, many psychological experiments require an accurate timing of presented stimuli and user reactions, which is not easily obtained by modern hard- and software systems. In this work, we present a VR software for psychological experiments which combines modern computer graphics and Virtual Reality techniques with accurate stimulus and event control. We describe the system features and possibilities for VRbased experiment generation and propose approaches for precise stimulus and event timing. These approaches are evaluated for achievable accuracy in stimulus control and performance monitoring within typical virtual environments.en_US
dc.description.seriesinformationEurographics Symposium on Virtual Environmentsen_US
dc.identifier.isbn978-3-905674-02-6en_US
dc.identifier.issn1727-530Xen_US
dc.identifier.urihttps://doi.org/10.2312/EGVE/IPT_EGVE2007/025-032en_US
dc.publisherThe Eurographics Associationen_US
dc.subjectCategories and Subject Descriptors (according to ACM CCS): C.4 [Performance of Systems]: Measurement Techniques, I.3.7 [Computer Graphics]: Virtual Reality, J.4 [Social and Behavioral Science]: Psychologyen_US
dc.titleHigh Ecological Validity and Accurate Stimulus Control in VR-based Psychological Experimentsen_US
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IPT/EGVE 2007: 11th International Workshop on Immersive Projection Technology, 13th Eurographics Workshop on Virtual Enviroments