Perceptual uncertainty and action consequences independently affect hand movements in a virtual environment.
Perceptual uncertainty and action consequences independently affect hand movements in a virtual environment.
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DOI：
10.1038/s41598-020-78378-z
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发表时间：
2020-12-18
影响因子：
4.6
通讯作者：
Hesse C
中科院分区：
文献类型：
--
作者：
Giesel M;Nowakowska A;Harris JM;Hesse C
当我们使用虚拟和增强现实（VR/AR）环境来研究行为或训练运动技能时，我们希望在VR/AR中获得的见解或技能能够转移到现实世界的环境中。运动行为受到知觉不确定性和动作预期后果的强烈影响。VR/AR在这两个方面都不同于自然环境。与自然环境相比，VR/AR中的感知信息不那么可靠，在虚拟环境中行动的知识可能会调节我们对行动结果的预期。使用镜像反射来创建一个没有感知人工制品的虚拟环境，我们表明，在真实障碍物和虚拟障碍物的避障任务中，手部运动有系统的不同，这些行为差异的发生与可用感知信息的质量无关。这表明，即使实现了自然环境和虚拟环境之间的感知对应，由于两种环境中行动预期后果的差异，也不一定会遵循行动对应。
When we use virtual and augmented reality (VR/AR) environments to investigate behaviour or train motor skills, we expect that the insights or skills acquired in VR/AR transfer to real-world settings. Motor behaviour is strongly influenced by perceptual uncertainty and the expected consequences of actions. VR/AR differ in both of these aspects from natural environments. Perceptual information in VR/AR is less reliable than in natural environments, and the knowledge of acting in a virtual environment might modulate our expectations of action consequences. Using mirror reflections to create a virtual environment free of perceptual artefacts, we show that hand movements in an obstacle avoidance task systematically differed between real and virtual obstacles and that these behavioural differences occurred independent of the quality of the available perceptual information. This suggests that even when perceptual correspondence between natural and virtual environments is achieved, action correspondence does not necessarily follow due to the disparity in the expected consequences of actions in the two environments.
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