Effect of blue light exposure to brain wave physiology related to cognitive and motoric function during night driving simulation
Safety issue and accident of land transportation needs to be concerned about. One of the main reasons of most driving accidents is drowsiness since it is associated with circadian rhythm, which is formed by blue light in solar day light. Studies reported that blue light controls circadian rhythm a...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Penerbit Universiti Kebangsaan Malaysia
2020
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| Online Access: | http://journalarticle.ukm.my/16027/1/49_02_11.pdf http://journalarticle.ukm.my/16027/ http://www.mabjournal.com/index.php?option=com_content&view=article&id=1003&catid=59:current-view&Itemid=56 |
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| Summary: | Safety issue and accident of land transportation needs to be concerned about. One of the main reasons of most driving
accidents is drowsiness since it is associated with circadian rhythm, which is formed by blue light in solar day light. Studies
reported that blue light controls circadian rhythm and prevent drowsiness. This research aims to assess the effect of artificial
blue light exposure at night that is expected to prevent drowsiness and behavior changes related to night driving. Behavioral
changes can be observed from cognitive response activities that are evaluated by physiologic changes of brainwaves. Seven
male subjects were chosen that met the assigned criteria. Brainwaves data was collected from 21.00 to 22.30 using the
Electroencephalograph (EEG) from F3 and F4 channels for cognitive function. Results of blue light exposure suggested: (1)
temporary effect on cognitive function, (2) fluctuation of brainwave activity in one minute interval, (3) increase hemispheric
synchronization in cognitive function, and (4) delay brain asymmetric pattern in cognitive function. We concluded that blue
light exposure influences the function of cognitive functions and has potential effect to prevent drowsiness. |
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