AI Article Synopsis
- This study examined how different target sizes in virtual reality (VR) affect biomechanical stress and cognitive load among users.
- Twenty participants completed standardized tasks using small, medium, and large targets, while scientists measured joint angles, muscle activity, and workload.
- Results showed that larger targets increased neck and shoulder stress and led to longer task completion times compared to smaller targets, highlighting the significance of target size in VR performance.
Article Abstract
This study evaluated the effects of target sizes on biomechanical and cognitive load and the performance of virtual reality (VR) interactions. In a repeated-measures laboratory study, each of the twenty participants performed standardised VR tasks with three different target sizes: small, medium, and large. During the VR tasks, biomechanical load in the neck and shoulders (joint angles, joint moments, and muscle activity), cognitive load (perceived workload and cognitive stress), and task performance (completion time) were collected. The neck and shoulder joint angles, joint moments, and muscle activities were greater with the large targets compared to the medium and small targets. Moreover, the larger VR targets caused greater temporal demand and longer task completion time compared to the other target sizes. These findings indicate that target sizes in VR interfaces play important roles in biomechanical and cognitive load as well as task performance.
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| http://dx.doi.org/10.1080/00140139.2024.2396038 | DOI Listing |
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