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Author Kang, S.-G.; Yoon, H.-K.; Cho, C.-H.; Kwon, S.; Kang, J.; Park, Y.-M.; Lee, E.; Kim, L.; Lee, H.-J. url  doi
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  Title Decrease in fMRI brain activation during working memory performed after sleeping under 10 lux light Type Journal Article
  Year 2016 Publication (down) Scientific Reports Abbreviated Journal Sci Rep  
  Volume 6 Issue Pages 36731  
  Keywords Human Health  
  Abstract The aim of this study was to investigate the effect of exposure to dim light at night (dLAN) when sleeping on functional brain activation during a working-memory tasks. We conducted the brain functional magnetic resonance imaging (fMRI) analysis on 20 healthy male subjects. All participants slept in a polysomnography laboratory without light exposure on the first and second nights and under a dim-light condition of either 5 or 10 lux on the third night. The fMRI scanning was conducted during n-back tasks after second and third nights. Statistical parametric maps revealed less activation in the right inferior frontal gyrus (IFG) after exposure to 10-lux light. The brain activity in the right and left IFG areas decreased more during the 2-back task than during the 1- or 0-back task in the 10-lux group. The exposure to 5-lux light had no significant effect on brain activities. The exposure to dLAN might influence the brain function which is related to the cognition.  
  Address Department of Psychiatry, Korea University College of Medicine, Seoul, Korea  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2045-2322 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:27827445; PMCID:PMC5101482 Approved no  
  Call Number LoNNe @ kyba @ Serial 1560  
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