Repeated exposure to virtual reality decreases reliance on visual inputs for balance control in healthy adults

IF 1.6 3区心理学 Q4 NEUROSCIENCES Human Movement Science Pub Date : 2024-05-27 DOI:10.1016/j.humov.2024.103236

Christophe Barbanchon, Dominique Mouraux, Stéphane Baudry

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Abstract

Postural control may encounter acute challenges when individuals are immersed in a virtual reality (VR) environment, making VR a potential pertinent tool for enhancing balance capacity. Nonetheless, the effects of repeated exposure to VR on balance control remain to be fully elucidated. Fifty-five healthy participants stood upright for six bouts of 90 s each in an immersive virtual reality (VR) environment using a head-mounted display (repeated VR exposure). During these bouts, participants experienced simulated forward and backward displacements. Before and after the repeated VR exposure, the center of pressure mean velocity (VEL_COP) was measured in response to simulated forward and backward displacement in VR, as well as during quiet upright standing with eyes open (EO) and closed (EC) in the real environment. The results revealed a significant decrease in VEL_COP for forward and backward simulated displacements in both antero-posterior and medio-lateral directions (p < 0.01) after compared to before repeated VR exposure. Furthermore, VEL_COP significantly decreased when participants stood upright in EC (−5%; p = 0.004), but not EO (+3%; p > 0.05) in the real environment after repeated VR exposure. The Romberg ratio (EC/EO) was reduced in both antero-posterior and medio-lateral directions (p < 0.05) after VR exposure. This study indicates that repeated exposure to VR induces changes in balance control in both virtual and real environments. These changes may be attributed, in part, to a reduction in the weighting of visual inputs in the multisensory integration process occurring during upright standing. Accordingly, these findings highlight VR as a potentially effective tool for balance rehabilitation.

Significance statement

This study indicates that repeated exposure to VR induces changes in balance control in both virtual and real environments that can rely, in part, on a reduction in the weighting of visual inputs in the multisensory integration process occurring during upright standing.

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反复接触虚拟现实会降低健康成年人在控制平衡时对视觉输入的依赖。

当人们沉浸在虚拟现实（VR）环境中时，姿势控制可能会遇到严峻的挑战，这使得 VR 成为增强平衡能力的潜在相关工具。然而，反复接触 VR 对平衡控制的影响仍有待全面阐明。55 名健康参与者在使用头戴式显示器的沉浸式虚拟现实（VR）环境中直立站立 6 次，每次 90 秒（重复 VR 暴露）。在这些过程中，参与者经历了模拟的前后位移。在重复 VR 暴露前后，测量了压力中心平均速度（VELCOP）对 VR 中模拟向前和向后位移的反应，以及在真实环境中睁眼（EO）和闭眼（EC）安静直立时的反应。结果显示，在反复接触 VR 后，参与者在真实环境中睁眼（EC）和闭眼（EO）直立时，前后和内外侧方向的 VELCOP（P COP）都会明显下降（-5%；P = 0.004），而睁眼（+3%；P > 0.05）不会。罗姆伯格比率（EC/EO）在前-后和内-外两个方向都有所降低（p

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来源期刊

Human Movement Science 医学-神经科学

CiteScore

3.80

自引率

4.80%

发文量

审稿时长

42 days

期刊介绍： Human Movement Science provides a medium for publishing disciplinary and multidisciplinary studies on human movement. It brings together psychological, biomechanical and neurophysiological research on the control, organization and learning of human movement, including the perceptual support of movement. The overarching goal of the journal is to publish articles that help advance theoretical understanding of the control and organization of human movement, as well as changes therein as a function of development, learning and rehabilitation. The nature of the research reported may vary from fundamental theoretical or empirical studies to more applied studies in the fields of, for example, sport, dance and rehabilitation with the proviso that all studies have a distinct theoretical bearing. Also, reviews and meta-studies advancing the understanding of human movement are welcome. These aims and scope imply that purely descriptive studies are not acceptable, while methodological articles are only acceptable if the methodology in question opens up new vistas in understanding the control and organization of human movement. The same holds for articles on exercise physiology, which in general are not supported, unless they speak to the control and organization of human movement. In general, it is required that the theoretical message of articles published in Human Movement Science is, to a certain extent, innovative and not dismissible as just "more of the same."