The effect of dynamic light on human alertness

Shiqi Zheng, Ronnier M. Luo, M. Ye
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引用次数: 5

Abstract

The main goal of the present study was to compare the impact of dynamic and static light on work performance and means of different measures of alertness. Ten participants experienced four sessions. Each session had a different lighting: 6000K static light, 9000K static light, CCT- low-frequency dynamic light (cycle = 4 hours, CCT between 6000 and 12000 K) and CCT- high-frequency dynamic light (cycle = 2 hours, CCT between 6000 and 12000 K). Each session lasted 5.5 hours. Altogether, 12 testing methods were used and they can be divided into four categories: questionnaire, task performance, physiological methods and biochemical methods. The present results suggest that dynamic light generated a higher alertness than static light, and CCT-high-frequency dynamic light had a stronger impact than that of low frequency CCT-dynamic light.
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动态光对人类警觉性的影响
本研究的主要目的是比较动态光和静态光对工作表现的影响,以及不同的警觉性测量方法。10名参与者经历了4次会议。每一组有不同的照明:6000K静态光、9000K静态光、CCT-低频动态光(周期为4小时,CCT在6000 ~ 12000 K之间)和CCT-高频动态光(周期为2小时,CCT在6000 ~ 12000 K之间),每组持续5.5小时。共采用了12种测试方法,可分为问卷法、任务绩效法、生理法和生化法四大类。结果表明,动态光比静态光产生更高的警觉性,cct -高频动态光比低频cct -动态光产生更强的影响。
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