视觉距离和自身感知操纵对基于虚拟现实的平衡测试的影响
Max Teaford1,2,3, Zachary J Mularczyk3, Alannah Gernon3
1Department of Psychology, University of Tennessee Chattanooga, Chattanooga, TN 37403, USA.
Multisensory research
|August 29, 2024
概括
从观看遥远的虚拟物体减少视觉运动减少平衡,但只有当自身感受也被破坏. 这一发现对于理解虚拟现实平衡控制至关重要.
科学领域:
- 人类运动科学 人类运动科学
- 感官整合 感官整合
- 虚拟现实研究 虚拟现实研究
背景情况:
- 平衡依赖于整合感官信息,主要是视觉和自身感知.
- 视觉线索,就像受视距离影响的相对视觉运动,会影响平衡.
- 有限的研究存在于虚拟现实平衡,特别是在长距离的自感干扰.
研究的目的:
- 调查视觉距离对虚拟环境中的平衡的影响.
- 检查视觉运动操纵和自身感知障碍对姿势稳定的联合影响.
主要方法:
- 25名健康的成年人站在坚固而符合规定的表面上,狭窄的立场.
- 参与者在1.5米,6米和24米的距离上观看了一个虚拟的达特板,再加上一个停电条件.
- 在虚拟现实平衡任务中操纵了自身感知输入.
主要成果:
- 相对视觉运动减少 (视距离增加) 导致姿势稳定性下降.
- 这种效应只有当自感输入同时被破坏时才显著.
- 表面符合性也影响了姿势稳定性.
结论:
- 视觉距离通过改变视觉运动线索,显著影响虚拟现实中的平衡.
- 当视觉线索减弱或改变时,自身感知完整性对于保持平衡至关重要.
- 这些发现对设计虚拟现实系统和理解感官对平衡的贡献有影响.
相关概念视频
01:15Depth Perception and Spatial Vision
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
01:25Factors Affecting Perception
Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
An illustrative example of a perceptual set is the scenario where an airline pilot told...