Standing Balance Improvement Using Vibrotactile Feedback in Virtual Reality

Standing Balance Improvement Using Vibrotactile Feedback in Virtual Reality
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在虚拟现实中使用振动触觉反馈改善站立平衡

DOI:
10.1145/3562939.3565638
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发表时间:
2022
期刊:
ACM VRST 2022
影响因子:
--
通讯作者:
Quarles, John
Quarles, John
中科院分区:
--
文献类型:
--
作者:
Mahmud, M. Rasel;Stewart, Michael;Cordova, Alberto;Quarles, John

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虚拟现实 (VR) 用户经常遇到姿势不稳定,即平衡问题,这可能是普遍可用性和可访问性的重大障碍,特别是对于那些有平衡障碍的人来说。先前的研究已经验证了不平衡问题,但几乎没有采取任何措施来缓解这些问题。我们招募了 39 名参与者(有平衡障碍:18 名,无平衡障碍:21 名)来研究各种振动触觉反馈技术对虚拟现实中平衡的影响,特别是空间振动触觉、静态振动触觉、节奏振动触觉和映射到压力中心 (CoP) 的振动触觉反馈。参与者完成了站立视觉探索以及站立伸展和抓握任务。根据受试者内部的结果,对于有或没有平衡障碍的人来说,每个振动触觉反馈都显着增强了 VR 中的平衡能力 (p <.001)。空间和 CoP 振动触觉反馈比其他振动触觉反馈更能显着增强平衡 (p <.001)。这项研究提出了可能在未来虚拟环境中使用的策略,以增强站立平衡并使 VR 更接近普遍使用。
Virtual Reality (VR) users often encounter postural instability, i.e., balance issues, which can be a significant impediment to universal usability and accessibility, particularly for those with balance impairments. Prior research has validated imbalance issues, but little effort has been made to mitigate them. We recruited 39 participants (with balance impairments: 18, without balance impairments: 21) to examine the effect of various vibrotactile feedback techniques on balance in virtual reality, specifically spatial vibrotactile, static vibrotactile, rhythmic vibrotactile, and vibrotactile feedback mapped to the center of pressure (CoP). Participants completed standing visual exploration and standing reach and grasp tasks. According to within-subject results, each vibrotactile feedback enhanced balance in VR significantly (p <.001) for those with and without balance impairments. Spatial and CoP vibrotactile feedback enhanced balance significantly more (p <.001) than other vibrotactile feedback. This study presents strategies that might be used in future virtual environments to enhance standing balance and bring VR closer to universal usage.
在虚拟环境中,行动不便的用户与健康用户的反应不同
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