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    政大機構典藏 > 理學院 > 心理學系 > 期刊論文 >  Item 140.119/129256
    Please use this identifier to cite or link to this item: http://nccur.lib.nccu.edu.tw/handle/140.119/129256


    Title: The effects of intermittent light during the evening on sleepiness, sleep electroencephalographic spectral power and performance the next morning.
    Authors: 楊建銘
    Yang, M.-Q.
    Contributors: 心理系
    Date: 2019-03
    Issue Date: 2020-04-16 11:42:55 (UTC+8)
    Abstract: Most studies on the effects of light exposure have been conducted with continuous light. The present study investigated the effects of intermittent light exposure on sleepiness, mood, electroencephalographic activity during sleep and performance the next morning. Fifteen volunteers were scheduled to come to the sleep laboratory to experience different lighting conditions: intermittent bright light, continuous bright light and continuous dim light. Subjective sleepiness and mood were assessed during light exposure, with electroencephalographic recording during sleep. After waking the next morning, participants filled out questionnaires and went through two cognitive tasks. The results revealed significantly lower ratings of sleepiness after intermittent light exposure, which is not different from the ratings in the continuous bright light condition, and an increase in vitality during later part of the evening and more beta activity during the first 90 minutes of sleep in the intermittent light condition, in comparison with the continuous dim light condition. However, both intermittent and continuous bright light exposure showed no difference from the continuous dim light condition in subjects' mood and cognitive functioning the next morning. The data indicated intermittent light during evening decreased sleepiness, had only minimal impact on mood in the evening, increased beta electroencephalographic activity during sleep, but had no significant influence on cognitive functioning the next morning.
    Relation: Lighting Research & Technology, No.2019, pp.1-19
    Data Type: article
    DOI 連結: https://doi.org/10.1177/1477153519828414
    DOI: 10.1177/1477153519828414
    Appears in Collections:[心理學系] 期刊論文

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