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   Effects of Light on Attention and Reaction Time: A Systematic Review  
   
نویسنده golmohammadi rostam ,yousefi hanieh ,safarpour khotbesara negar ,nasrolahi abbas ,kurd nematullah
منبع journal of research in health sciences - 2021 - دوره : 21 - شماره : 4 - صفحه:1 -9
چکیده    Background: accuracy, speed, efficiency, and applicability of activities in the workplace are amongthe most important effective factors on people's productivity, which is in turn affected byenvironmental factors, such as light. therefore, the present research aimed to review the studiesperformed about the effects of light on attention and reaction time.sudy design: a systematic review.methods: this review study systematically searched articles from 2000-2019 in databases ofgoogle scholar, isc, sid, magiran, web of science, science direct, pubmed, and scopus usingkeywords of light, lighting, attention, and reaction time. the titles and abstracts of articles containing relevant results over the past 20 years were extracted. thereafter, they were categorized and analyzed according to the title, author name, publication year, study method, study type, andevaluation results.results: based on the results, the light with shorter wavelengths, higher intensity, and higher colortemperature led to suppressed melatonin, higher consciousness, less somnolence, increasedattention, and faster reaction time. simultaneous exposure to harmful levels of environmentalfactors affects cognitive and physiological parameters, acting independently with a separatemechanism or synergistically with a similar mechanism. the best light in the regulation ofpsychological, biological, and cognitive processes is bright daylight in the morning with a shortwavelength, high intensity, and more lasting effects.conclusion: as evidenced by the obtained results, light is a powerful modulator of non-visualperformance in cognitive tasks. the wavelength, color temperature, and light intensity modulatebrain responses to cognitive tasks, including attention and reaction time. therefore, theseparameters, along with personal and environmental factors, should be considered in designing andusing light.
کلیدواژه Lightو Lightingو Attentionو Refractory Period
آدرس hamadan university of medical sciences, school of public health, department of occupational health and safety engineering, Iran, hamadan university of medical sciences, school of public health, department of ergonomics, Iran, hamadan university of medical sciences, school of public health, department of occupational health and safety engineering, Iran, ilam university of medical science, research center for prevention of psychosocial injuries, Iran, hamadan university of medical sciences, school of public health, department of occupational health and safety engineering, Iran
پست الکترونیکی kurd_ohse@yahoo.com
 
     
   
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