虚拟现实中的体现感及其评估方法

IF 3.2 Q2 COMPUTER SCIENCE, SOFTWARE ENGINEERING Frontiers in virtual reality Pub Date : 2023-12-05 DOI:10.3389/frvir.2023.1141683
Martin Guy, Jean-Marie Normand, Camille Jeunet-Kelway, Guillaume Moreau
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引用次数: 0

摘要

化身感指的是在身体内部、拥有和控制身体的感觉。在虚拟现实中,可以用一个虚拟的身体来代替一个人的身体,这个虚拟的身体被称为化身。通过修改化身来调节化身感会对用户产生感知和行为后果,从而影响用户与虚拟环境交互的方式。因此,必须定义能够可靠评估虚拟现实中体现感的指标,以更好地理解其维度、它们相互作用的方式以及它们对虚拟环境中交互质量的影响。在这篇综述中,我们首先介绍了目前关于化身感的知识,它的维度(代理感、身体所有权感和自我定位感),以及它们是如何相互联系的。然后,我们深入研究了目前用于评估体现感的不同方法,从问卷调查到神经生理学测量。我们对现有指标进行了批判性分析,讨论了它们在虚拟现实环境中的优点和缺点。值得注意的是,我们认为体现的实时测量,这也是具体的,不需要双重任务,是在虚拟现实的背景下最相关的。如果脑电图的缺点(如对运动的敏感性和实用性)得到改善,它似乎是未来的一个很好的选择。虽然完美的度量标准是否存在还有待确定,但这项工作提供了根据上下文选择哪个度量标准的线索,这应该有助于更好地评估和理解虚拟现实中的体现感。
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The sense of embodiment in Virtual Reality and its assessment methods
The sense of embodiment refers to the sensations of being inside, having, and controlling a body. In virtual reality, it is possible to substitute a person’s body with a virtual body, referred to as an avatar. Modulations of the sense of embodiment through modifications of this avatar have perceptual and behavioural consequences on users that can influence the way users interact with the virtual environment. Therefore, it is essential to define metrics that enable a reliable assessment of the sense of embodiment in virtual reality to better understand its dimensions, the way they interact, and their influence on the quality of interaction in the virtual environment. In this review, we first introduce the current knowledge on the sense of embodiment, its dimensions (senses of agency, body ownership, and self-location), and how they relate the ones with the others. Then, we dive into the different methods currently used to assess the sense of embodiment, ranging from questionnaires to neurophysiological measures. We provide a critical analysis of the existing metrics, discussing their advantages and drawbacks in the context of virtual reality. Notably, we argue that real-time measures of embodiment, which are also specific and do not require double tasking, are the most relevant in the context of virtual reality. Electroencephalography seems a good candidate for the future if its drawbacks (such as its sensitivity to movement and practicality) are improved. While the perfect metric has yet to be identified if it exists, this work provides clues on which metric to choose depending on the context, which should hopefully contribute to better assessing and understanding the sense of embodiment in virtual reality.
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CiteScore
5.80
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0.00%
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审稿时长
13 weeks
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