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Psychological and physiological assessment of visual fatigue caused by flickering light

Research Project

Project/Area Number 25820288
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Architectural environment/Equipment
Research InstitutionKansai University (2014)
National Institute of Advanced Industrial Science and Technology (2013)

Principal Investigator

OKAMOTO Yosuke  関西大学, 先端科学技術推進機構, 客員研究員 (80612184)

Project Period (FY) 2013-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2013: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords点滅光 / 眼疲労 / 脳磁界 / 瞳孔 / LED
Outline of Final Research Achievements

This study sought to investigate how flickering light affect visual fatigue. Subjective scores of visual fatigue, visual reaction time, pupil diameters and brain responses were measured while participants engaged in visual tasks under different light conditions.
The results suggest that the light with narrow spectral distribution may increase visual fatigue, compared to light with broad spectral distribution. Also, when participant engaged in visual task under the exposure to the short-wavelength flickering light with 50 Hz and rectangular waveform induced greater brain responses throughout the task. This fact might result in increasing visual fatigue.

Report

(3 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • Research Products

    (20 results)

All 2015 2014 2013 Other

All Journal Article (7 results) (of which Peer Reviewed: 3 results,  Acknowledgement Compliant: 1 results) Presentation (9 results) Remarks (2 results) Patent(Industrial Property Rights) (2 results) (of which Overseas: 1 results)

  • [Journal Article] Effects of daytime light exposure on cognitive brain activity as measured by the ERP P3002015

    • Author(s)
      Yosuke Okamoto, Seiji Nakagawa
    • Journal Title

      Physiology & Behavior

      Volume: 138 Pages: 313-318

    • DOI

      10.1016/j.physbeh.2014.10.013

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Temporal dynamics of EEG activity during short- and long-wavelength light exposures in the early morning2014

    • Author(s)
      Yosuke Okamoto, Mark S. Rea, Mariana G. Figueiro
    • Journal Title

      BMC Research Notes

      Volume: 7 Issue: 1 Pages: 113-113

    • DOI

      10.1186/1756-0500-7-113

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] 光の波長成分が記憶課題遂行時の事象関連同期・脱同期に与える影響2013

    • Author(s)
      岡本洋輔,中川誠司
    • Journal Title

      日本生体磁気学会誌特別号

      Volume: 26 Pages: 278-279

    • Related Report
      2013 Research-status Report
  • [Journal Article] Effects of light wavelengths on event-related desynchronization/syncronization during a working memory task2013

    • Author(s)
      Yosuke Okamoto, Seiji Nakagawa
    • Journal Title

      Society for Light Treatment and Biological Rhythms Abstracts

      Volume: 25 Pages: 47-47

    • Related Report
      2013 Research-status Report
  • [Journal Article] Effects of daytime exposures to short- and middle-wavelength lights on cortical activity during a cognitive task2013

    • Author(s)
      Yosuke Okamoto, Seiji Nakagawa
    • Journal Title

      Proceedings of 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society

      Volume: CD-ROM Pages: 1996-1999

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] 暴露光の波長が記憶課題遂行時の大脳活動に与える影響2013

    • Author(s)
      岡本洋輔,中川誠司
    • Journal Title

      第46回照明学会全国大会講演論文集

      Volume: CD-ROM Pages: 8-6

    • Related Report
      2013 Research-status Report
  • [Journal Article] Effects of Light Wavelengths on ERD/ERS during a Working Memory Task2013

    • Author(s)
      岡本洋輔,中川誠司
    • Journal Title

      ライフエンジニア部門シンポジウム2013論文集

      Volume: CD-ROM Pages: 309-310

    • Related Report
      2013 Research-status Report
  • [Presentation] 暴露光の波長が認知課題処理に関わる大脳活動に及ぼす影響2014

    • Author(s)
      岡本洋輔,中川誠司
    • Organizer
      第11回マルチモーダル脳情報研究会
    • Place of Presentation
      明治大学(東京)
    • Year and Date
      2014-10-27
    • Related Report
      2014 Annual Research Report
  • [Presentation] Effects of light wavelengths on cortical activity related to cognitive processing2014

    • Author(s)
      Yosuke Okamoto, Seiji Nakagawa
    • Organizer
      計測自動制御学会ライフエンジニアリング部門シンポジウム
    • Place of Presentation
      金沢大学(石川)
    • Year and Date
      2014-09-17 – 2014-09-19
    • Related Report
      2014 Annual Research Report
  • [Presentation] 光の波長分布特性が視作業時の眼疲労に与える影響2014

    • Author(s)
      岡本洋輔,中川誠司
    • Organizer
      第47回照明学会全国大会
    • Place of Presentation
      埼玉大学(埼玉)
    • Year and Date
      2014-09-04 – 2014-09-06
    • Related Report
      2014 Annual Research Report
  • [Presentation] 暴露光の波長によるワーキングメモリ課題遂行時の事象関連同期・脱同期の変化2014

    • Author(s)
      岡本洋輔,中川誠司
    • Organizer
      第29回日本生体磁気学会大会
    • Place of Presentation
      大阪大学(大阪)
    • Year and Date
      2014-05-29 – 2014-05-30
    • Related Report
      2014 Annual Research Report
  • [Presentation] 光の波長成分が記憶課題遂行時の事象関連同期・脱同期に与える影響

    • Author(s)
      岡本洋輔,中川誠司
    • Organizer
      第28回日本生体磁気学会大会
    • Place of Presentation
      新潟
    • Related Report
      2013 Research-status Report
  • [Presentation] Effects of light wavelengths on event-related desynchronization/syncronization during a working memory task

    • Author(s)
      Yosuke Okamoto, Seiji Nakagawa
    • Organizer
      Society for Light Treatment and Biological Rhythms 2013
    • Place of Presentation
      Geneva (Switzerland)
    • Related Report
      2013 Research-status Report
  • [Presentation] Effects of daytime exposures to short- and middle-wavelength lights on cortical activity during a cognitive task

    • Author(s)
      Yosuke Okamoto, Seiji Nakagawa
    • Organizer
      35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
    • Place of Presentation
      Osaka (Japan)
    • Related Report
      2013 Research-status Report
  • [Presentation] 暴露光の波長が記憶課題遂行時の大脳活動に与える影響

    • Author(s)
      岡本洋輔,中川誠司
    • Organizer
      第46回照明学会全国大会
    • Place of Presentation
      名古屋
    • Related Report
      2013 Research-status Report
  • [Presentation] Effects of Light Wavelengths on ERD/ERS during a Working Memory Task

    • Author(s)
      岡本洋輔,中川誠司
    • Organizer
      ライフエンジニアリング部門シンポジウム
    • Place of Presentation
      横浜
    • Related Report
      2013 Research-status Report
  • [Remarks] 研究者紹介ページ

    • URL

      https://staff.aist.go.jp/yos-okamoto/

    • Related Report
      2014 Annual Research Report
  • [Remarks] 研究内容又は研究成果に関するwebページ

    • URL

      http://staff.aist.go.jp/yos-okamoto/

    • Related Report
      2013 Research-status Report
  • [Patent(Industrial Property Rights)] 照明方法および照明装置2014

    • Inventor(s)
      中川誠司、岡本洋輔
    • Industrial Property Rights Holder
      国立研究開発法人産業技術総合研究所
    • Industrial Property Rights Type
      特許
    • Filing Date
      2014-09-02
    • Related Report
      2014 Annual Research Report
    • Overseas
  • [Patent(Industrial Property Rights)] 「照明方法および照明装置」2014

    • Inventor(s)
      中川誠司,岡本洋輔
    • Industrial Property Rights Holder
      独立行政法人産業技術総合研究所
    • Industrial Property Rights Type
      特許
    • Filing Date
      2014-01-16
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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