Study on character istics of daytime light increasing melatonin secretion

• Project/Area Number: 20700577
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: General human life sciences
• Research Institution: Kyushu University
• Principal Investigator: KOZAKI Tomoaki Kyushu University, 大学院・芸術工学研究院, 学術研究員 (80380715)
• Project Period (FY): 2008 – 2009
• Project Status: Completed (Fiscal Year 2009)
• Budget Amount: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000); Fiscal Year 2009: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000); Fiscal Year 2008: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
• Keywords: 住環境 / 日中の人工照明光 / 生体リズム / メラトニン

Research Abstract

This study investigated the increasing effect of different intensity of daytime light on melatonin secretion. It was indicated that light exposure of 6000 lx at daytime, 3 hours in the morning, increased melatonin secretion.

Research Products

• [Journal Article] 午前中の異なる強度の光曝露がメラトニン分泌開始位相に及ぼす影響 (2009)
  • Author(s): 小崎智照、戸田直宏、野口公喜、安河内朗
  • Journal Title: 口本生理人類学会誌 14巻(特別号2) Pages: 54-55
• [Journal Article] 午前中の異なる強度の光曝露がメラトニン分泌開始位相に及ぼす影響 (2009)
  • Author(s): 小崎智照、戸田直宏、野口公喜、安河内朗
  • Journal Title: 日本生理人類学会 14(特別号2) Pages: 54-55
• [Presentation] 日中の異なる光曝露強度がメラトニン分泌へ与える影響 (2008)
  • Author(s): 小崎智照、古賀翔太、安河内朗
  • Organizer: 第32回人間-生活環境系シンポジウム
  • Place of Presentation: 済州島(韓国)
  • Year and Date: 2008-11-30
• [Presentation] 日中の異なる光曝露強度がメラトニン分泌へ与える影響 (2008)
  • Author(s): 小崎智照、古賀翔大、安河内朗
  • Organizer: 第32回人間-生活環境系シンポジウム
  • Place of Presentation: 韓国済州島
  • Year and Date: 2008-11-29