老年对视觉和自动运动感官暗示集成在导航中的影响
Corey S Shayman1,2, Maggie K McCracken3, Hunter C Finney3
1Department of Psychology, University of Utah, 380 S. 1500 E. Room 502, Salt Lake City, UT, 84112, USA. corey.shayman@hsc.utah.edu.
Experimental brain research
|March 29, 2024
概括
由于视觉和自动运动线索的权重不足,老年人导航的准确性较低. 干预措施可能有助于重新校准感官集成,以改善老年人的导航.
科学领域:
- 神经科学是一个神经科学.
- 人类因素 人类因素
- 老年学是指老年学的学科.
背景情况:
- 衰老与导航障碍有关,这些障碍并不能完全由一般的认知或运动能力下降来解释.
- 以前的研究表明,老年人在导航过程中,通常在低光条件下,感觉暗示集成的改变.
- 最佳的感官集成对于日常环境中的有效导航至关重要.
研究的目的:
- 调查老年人是否能在充满光线的虚拟现实环境中进行导航时最佳地结合视觉 (里程碑) 和自动运动线索.
- 将年轻人和老年人之间的感官权重策略与最大概率估计模型进行比较.
- 在空间导航的多感官集成中识别与年龄相关的差异.
主要方法:
- 参与者在沉浸式虚拟现实中执行了指导 (三角形完成) 任务.
- 视觉线索 (地标) 和基于身体的自我运动线索在明亮的环境中提供.
- 感觉暗示的可靠性 (变性) 被测量以根据最大概率估计来预测最佳暗示权重.
主要成果:
- 与年轻的成年人相比,老龄化的成年人在导航中表现出更大的变化和更低的准确性.
- 两个年龄组都比最佳模型预测的更多地依赖视觉线索.
- 年轻人的视觉提示权重与模型预测保持一致,而老年人的权重表现不佳.
结论:
- 年长的成年人在导航过程中不能最佳地整合视觉和自动运动线索.
- 感官权重的年龄相关差异有助于导航障碍.
- 针对重新校准多感官集成的干预措施可能有利于老年人的导航能力.
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