捕捉日常环境中的认知能力,通过智能手表的n-back任务和生态瞬间评估,在认知衰退的连续过程中捕捉认知能力
Maureen Schmitter-Edgecombe1, Catherine Luna1, Brooke Beech1
1Department of Psychology, Washington State University.
Neuropsychology
|November 18, 2024
概括
智能手表的n-back任务是可行的早期认知衰退检测. 这种移动认知测试在现实环境中显示出可靠性和有效性,有助于早期诊断.
科学领域:
- 老年学和认知科学 认知学和认知科学
- 数字健康与神经技术
背景情况:
- 早期发现认知衰退对于及时干预至关重要.
- 移动技术为可扩展的认知评估提供了潜力.
- 生态瞬间评估 (EMA) 允许在现实世界中收集数据.
研究的目的:
- 为了调查智能手表 n-back 任务的可行性,可靠性和有效性.
- 评估n-back任务在认知连续 (健康,主观认知衰退,轻度认知障碍) 的实用性.
- 通过生态瞬间评估 (EMA) 评估n-back任务的性能.
主要方法:
- 174名社区成年人 (平均年龄为70.51) 完成了神经认知评估.
- 参与者佩戴智能手表7天以上,每天被提示4次进行n-back任务.
- 数据分析了依从性,响应率,有效性 (外部,歧视性,收性) 和可靠性.
主要成果:
- 观察到高坚持率 (>78%) 和高响应率 (>89%).
- 与其他人相比,轻度认知障碍组的准确性和初始表现较低.
- n-back任务表现出良好的可靠性,并与执行人员的注意力和现实世界的功能相关联.
结论:
- 智能手表的n-back任务是日常生活中认知数据收集的可行方法.
- 这些任务展示了不同认知状态的可靠性和有效性.
- 这种基于EMA的智能手表评估有助于理解自然环境中的认知功能.
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