Psychological and neurophysiological investigation of the effects of light wavelengths on human alertness during daytime

2012 Fiscal Year Final Research Report

• Project/Area Number: 23860073
• Research Category: Grant-in-Aid for Research Activity Start-up
• Allocation Type: Single-year Grants
• Research Field: Architectural environment/equipment
• Research Institution: National Institute of Advanced Industrial Science and Technology
• Principal Investigator: OKAMOTO Yosuke 独立行政法人産業技術総合研究所, 健康工学研究部門, 産総研特別研究員 (80612184)
• Project Period (FY): 2011 – 2012
• Keywords: 光環境 / 波長 / 覚醒度 / 認知 / 大脳活動

Research Abstract

The effects of light wavelengths on cognitive processes during daytime were investigated. EEG and MEG responses during cognitive tasks were measured under exposures to lights with different wavelengths. The results showed that short-wavelength (blue) ligh

Research Products

• [Journal Article] Effects of daytime exposures of monochromatic lights on EEG during cognitive task (2012)
  • Author(s): Yosuke Okamoto, Seiji Nakagawa
  • Journal Title: Proceedings of the 27th Symposium on Biological and Physiological Engineering Volume: CD-ROM Pages: 217-218
• [Journal Article] Temporal dynamics of cortical activity for blue light exposure in the early morning (2011)
  • Author(s): Yosuke Okamoto, Mark Rea, Mariana Figueiro
  • Journal Title: 第44回照明学会全国大会講演論文集 Volume: CD-ROM Pages: 154
• [Presentation] Effects of daytime exposures of monochromatic lights on EEG during cognitive task (2012)
  • Author(s): Yosuke Okamoto, Seiji Nakagawa
  • Organizer: 第27回 生体・生理工学シンポジウム
  • Place of Presentation: 北海道大学 (北海道)
  • Year and Date: 2012-09-19
• [Presentation] EEG activity during blue and red light exposures in the early morning (2012)
  • Author(s): Yosuke Okamoto, Mark Rea, Mariana Figueiro
  • Organizer: 18th international conference on biomagnetism
  • Place of Presentation: Paris (France)
  • Year and Date: 2012-08-28
• [Presentation] Temporal dynamics of cortical activity for blue light exposure in the early morning (2011)
  • Author(s): Yosuke Okamoto, Mark Rea, Mariana Figueiro
  • Organizer: 第44回照明学会全国大会
  • Place of Presentation: 愛媛大学(愛媛県)
  • Year and Date: 2011-09-16
• [Remarks]
  • URL: http://staff.aist.go.jp/yos-okamoto/