在不同的工作负载条件下验证EmotiBit可穿戴传感器用于基于心脏的测量
Anna Vorreuther1, Nektaria Tagalidou1, Mathias Vukelić2
1Applied Neurocognitive Systems, Institute of Human Factors and Technology Management, University of Stuttgart, Stuttgart, Germany.
Frontiers in neuroergonomics
|July 3, 2025
概括
EmotiBit设备在认知工作负载期间准确测量心率,但其心率变化和皮电活动测量不能与标准心电图设备相比较.
科学领域:
- 生理监测是指对身体进行生理监测.
- 穿戴式技术验证的验证
- 认知工作量评估认知工作量评估
背景情况:
- 该EmotiBit是一台摄影电流图 (PPG) 装置,用于收集心血管活动 (CVA) 和皮电活动 (EDA) 数据.
- 在不同的认知负载下在自然环境中验证可穿戴传感器对于可靠的数据收集至关重要.
研究的目的:
- 评估EmotiBit设备用于收集高质量的心血管和皮肤活动数据的有效性.
- 与参考心电图 (ECG) 设备相比,评估EmotiBit在诱导认知工作负载期间的性能.
主要方法:
- 用一个标准有效性协议与15名参与者执行认知工作负载任务.
- 通过比较EmotiBit记录与BITalino PsychoBit (ECG) 设备进行了比较.
- 分析包括布兰德-阿尔特曼和比率 (BAr) 分析以及心率 (HR),心率变化 (HRV),皮肤导电水平 (SCL) 和皮肤导电响应 (SCR) 的交叉相关性.
主要成果:
- 对于HR (1-2 bpm差异) 发现了良好的协议.
- 心率变化 (HRV) 的测量结果显示不够一致,尽管大多数数据都在预定义的范围内.
- 电皮活动 (EDA) 测量 (SCL,SCR) 显示器件之间的一致性不足.
结论:
- EmotiBit设备适用于科学研究中收集心率数据,特别是在认知工作负载期间.
- 该设备对心率变化和皮电活动测量的有效性与标准心电图器件无法比较.
- 这项研究提供了EmotiBit在认知工作负载诱导期间首次对ECG进行系统验证.
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