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三维 (3D) 刺激总是比二维 (2D) 多任务更好? 在3D-MATB-II中具有高认知负载

Xiang Che¹, Ruiyi Tang¹, Jingkang Lin¹

¹School of Psychology, Shaanxi Normal University, Xi'an, China; Key Laboratory of Behavior and Cognitive Neuroscience of Shaanxi, Shaanxi Normal University, Xi'an, China.

Behavioural brain research

|November 3, 2024

概括

在3D虚拟现实 (VR) 环境中的多任务处理,特别是不同深度的任务,与2D屏幕相比,阻碍了认知表现. 这导致了较高的认知负载和较差的任务结果.

科学领域:

人与计算机的交互
认知心理学认知心理学
虚拟现实虚拟现实虚拟现实

背景情况:

多任务处理是一种常见的认知活动.
了解不同的显示尺寸如何影响多任务处理对于优化用户体验和性能至关重要.
虚拟现实 (VR) 提供了沉浸式的3D环境,但它们在多任务处理过程中对认知负载的影响尚未完全理解.

研究的目的:

调查多任务性能和认知负载在3D (VR) 和2D环境之间是否有差异.
检查3DVR与2DPC监控条件下的多任务处理的具体机制.
通过主观和生理测量来比较认知负载.

主要方法:

使用了多属性任务电池 (MATB) II范式.
在3D条件下的性能比较 (远距离跟踪 - 系统监控近距离跟踪,近距离跟踪 - 系统监控远距离) 和2D条件 (没有深度).
通过主观的NASA-TLX得分和生理心率变化 (RMSSD) 评估认知负载.

主要成果:

与两种3D条件相比,在2D (无深度) 条件下观察到显著更好的性能.
在3D条件下报告了更高的主观认知负载 (NASA-TLX).
认知负荷的生理指标 (较低的RMSSD) 在3D条件下也更高.

结论:

在3D VR环境中,在不同的深度平面上处理多个任务可能会损害性能.
与2D环境相比,3D VR中的多任务导致主观和生理认知负载增加.
这些发现表明当前3D接口对复杂的认知任务的潜在局限性.

关键词:

这是一个双重任务.心率变化 (HRV) 是指心率的变化.在MATB-II中,我们可以使用MATB-II.多任务处理能力.三维 (3D) 三维 (3D)虚拟现实 (VR) 是一种虚拟现实.

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