Volume 34, Issue 4 (IJIEPR 2023)                   IJIEPR 2023, 34(4): 1-15 | Back to browse issues page

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alizadeh H, Khavanin A, KHAJEHNASIRI F, VALIZADEH N, salehi sahlabadi A. Determining the relationship between cognitive performance and LED lamp color temperature and personality type in students. IJIEPR 2023; 34 (4) :1-15
URL: http://ijiepr.iust.ac.ir/article-1-1829-en.html
1- Department of Occupational Health Engineering,Tarbiat Modares University, Tehran, Iran
2- Department of Community Medicine, School of Medicine Tehran University of Medical Sciences
3- Department of Ergonomics, Faculty of Public Health, Iran University of Medical Sciences, Tehran, Iran
4- Department of Occupational Health and Safety Engineering, School of Public Health and Safety, Shahid Behesti University of Medical Sciences, Tehran, Iran , asalehi529@gmail.com
Abstract:   (566 Views)
Background: The lighting of the work environment and its quantitative and qualitative characteristics, such as the intensity of the light and the color temperature, as a physical characteristic, have a great impact on the mental health, behavior and performance of people. The physical factors of the work environment, the personality type and behavioral characteristics of people are effective in their efficiency and productivity. Methods: In this study, 35 male students of Tarbiat Modares University were studied. This study was designed in 3 locations with different lighting systems of LED lamps with color temperature of 3000, 4000 and 5000 degrees Kelvin. Stroop test software was used to check cognitive activities and Neo questionnaire was used to determine personality type. Results: The results showed that the average reaction time when facing the LED lamp with a color temperature of 4000 degrees Kelvin in the group of consonant words is the lowest (average response time 601.22 milliseconds), the lowest amount of errors in the group of consonant words and at a color temperature of 5000 degrees Kelvin observed (average number of errors 2.71). Conclusions: The results of this study showed that the LED lighting system with high color temperature can be effective on people's cognitive performance by reducing errors and increasing attention and reaction time. In order to improve people's cognitive performance, it is suggested to use lighting system with high color temperature in sensitive places.
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Type of Study: Research | Subject: Human Factors Engineering/Ergonomics
Received: 2023/06/18 | Accepted: 2023/10/22 | Published: 2023/12/9

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