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反频率与任务执行之间的关系:证据表明心率的调解作用
Mitali Praveen Kumar Saxena1, Venkat Ram Reddy Ganuthula1
1School of Management and Entrepreneurship, Indian Institute of Technology, Jodhpur, India.
Frontiers in psychology
|April 10, 2025
概括
反频率会影响认知负载和任务性能. 适度的反,加上心率升高 (HR),优化了表现,HR调解了这种关系,尽管心率变化 (HRV) 没有受到影响.
科学领域:
- 认知心理学 认知心理学
- 人与计算机的交互
- 心理生理学 心理生理学
背景情况:
- 反频率是影响任务执行期间认知负载的关键因素.
- 了解对不同反频率的生理反应对于优化用户体验和性能至关重要.
研究的目的:
- 研究反频率对认知负载的影响,通过心率 (HR) 和心率变化率 (HRV) 来衡量.
- 确定大学生反频率,人力资源和任务绩效之间的关系.
主要方法:
- 一项涉及96名大学生的实验,他们用操纵的反频率执行算术任务.
- 使用E4 Empatica设备持续监测心率 (HR) 和心率变化 (HRV).
- HRV指标包括NN间隔的标准偏差 (SDNN) 和连续差异的根平均平方 (RMSSD).
主要成果:
- 在不同的反频率条件下观察到平均心率 (HR) 的显著差异.
- 最佳的任务性能与HR升高 (表明更高的认知负载) 和中度的反频率有关.
- 发现心率 (HR) 可以调解反频率和任务性能之间的关系.
- 没有发现反频率对心率变化 (HRV) 的显著影响.
结论:
- 反频率显著影响认知负载和任务性能,通过心率进行调解.
- 当认知负载很高时,适度的反频率似乎是最佳的性能,如高HR所示.
- 在这种情况下,心率变化 (HRV) 似乎不是响应反频率操纵的认知负载的敏感指标.
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