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The effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day
Chen, Lijun1,2; Yan, Fang-Fang1,2; Fan, Shuhan1,2; Wu, Yifan1,2; Yang, Jia1,2; Yang, Hua3; Huang, Chang-Bing1,2
First AuthorChen, Lijun
Correspondent Emailyanff@psych.ac.cn (fang‑fang yan) ; huangcb@psych.ac.cn (chang‑bing huang)
Contribution Rank1
Abstract

Light, one of the key environmental components for both life and work, played significant role in subjective feelings (e.g. affect and comfort), but the exact effects and mechanisms were still to be determined. The present study screened thirty healthy adults (13 females, 22.45 +/- 3.26 years) and examined subjective affect and comfort under short-term white lights with different combination of correlated color temperature (CCT) and illuminance at different times of day (e.g. morning, afternoon, and evening). Our results showed a significant interaction between illuminance level and time-of-day on subjective comfort. Participants felt more comfortable under 50 lx and 100 lx instead of 500 lx in the evening, and more comfortable under 500 lx in the morning and afternoon. In addition, a positive correlation between illuminance and comfort in the morning and a negative correlation between them in the evening were found. No significant effect of CCT on any subjective feeling was revealed. Our results necessitate the consideration of time-of-day in understanding lighting effects and application of healthy lighting in daily life.

2021-01-28
Language英语
DOI10.1038/s41598-021-81182-y
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume11Issue:1Pages:7
Subtype实证研究
Indexed BySCI
Funding ProjectNational Key Research and Development Program of China[2018YFC0705100] ; Space Medical Experiment Project of China Manned Space Program ; Scientific Foundation of Institute of Psychology, Chinese Academy of Sciences[Y7CX432007]
PublisherNATURE RESEARCH
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000616821300114
Citation statistics
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/38572
Collection中国科学院行为科学重点实验室
Corresponding AuthorYan, Fang-Fang; Huang, Chang-Bing
Affiliation1.Chinese Acad Sci, Inst Psychol, CAS Key Lab Behav Sci, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Dept Psychol, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Semicond, Beijing 100083, Peoples R China
First Author AffilicationKey Laboratory of Behavioral Science, CAS
Corresponding Author AffilicationKey Laboratory of Behavioral Science, CAS
Recommended Citation
GB/T 7714
Chen, Lijun,Yan, Fang-Fang,Fan, Shuhan,et al. The effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day[J]. SCIENTIFIC REPORTS,2021,11(1):7.
APA Chen, Lijun.,Yan, Fang-Fang.,Fan, Shuhan.,Wu, Yifan.,Yang, Jia.,...&Huang, Chang-Bing.(2021).The effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day.SCIENTIFIC REPORTS,11(1),7.
MLA Chen, Lijun,et al."The effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day".SCIENTIFIC REPORTS 11.1(2021):7.
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