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:: Volume 5, Number 2 (Journal of Ergonomics 2017) ::
Journal of Ergonomics 2017, 5(2): 0-0 Back to browse issues page
The Effects of Lighting on Mental and Cognitive Performance: A Structured Systematic Review
Rostam Golmohammadi, Mohsen Mehdinia, Reza Shahida, Ebrahim Darvishi *
, darvishi.hse@gmail.com
Abstract:   (165 Views)

Introduction: Lighting affects many non-visual functions such as Circadian rhythm, alertness, core body temperature, hormone secretion and sleep. The aim of this study was to investigate the effects of lighting on human cognitive and mental performance.
Methods: In this systematic review, databases including ISI Web of Knowledge, Scopus, PubMed and Science Direct were searched to access the relevant studies. The search was performed using the keywords "Lighting" and "Illumination" and "Cognitive Performance", "Mental Performance", "Memory ", "Attention", and "Concentration" by title, keyword and abstracts of articles published in mentioned databases from 2010 to 2016.
Results: Lighting affects human cognitive performance in three areas of psycho-cognitive (visual comfort, visual perception, color recognition, identification of symbols, attention, working memory, learning, reaction time and brain function), biocognitive area (alertness, mood, vitality, subjective feelings, motivation, well-being and quality of sleep) and mental workload (amount of workload, psychological stress, and mental fatigue). The best light to regulate cognitive, biological (circadian rhythm) and mental processes is bright daylight in the morning with a short wavelength (wavelength 420-480 nm) and high intensity (1000lx).
Conclusions: Lighting design in addition to providing comfort and visual needs should provide the non-visual and cognitive needs such as attention, alertness, mood, sleep quality and decrease mental fatigue and eventually well-bing.

Keywords: Lighting, Mental Performance, Cognitive Performance, Systematic Review
Full-Text [PDF 816 kb]   (117 Downloads)    
Type of Study: Research | Subject: General
* Corresponding Author Address: PhD Student, Department of Occupational Hygiene, School of Public Health, Research Center for Health Sciences, Hamadan University of Medical Sciences, Hamadan, Iran
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DOI: 10.21859/joe-05026


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Golmohammadi R, Mehdinia M, Shahida R, Darvishi E. The Effects of Lighting on Mental and Cognitive Performance: A Structured Systematic Review. Journal of Ergonomics. 2017; 5 (2)
URL: http://journal.iehfs.ir/article-1-358-en.html
Volume 5, Number 2 (Journal of Ergonomics 2017) Back to browse issues page
مجله ارگونومی Journal of Ergonomics
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