EFFECTS OF LIGHT STIMULATION CONTROL TO MELANOPSIN-EXPRESSING RETINAL GANGLION CELLS THROUGHOUT THE DAY ON NIGHTTIME MELATONIN SECRETION AND SENSE OF SLEEP

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  • TANAKA Midori
    Graduate School of Health and Environmental Sciences, Fukuoka Women’s University
  • FUKUDA Yumi
    Human Environmental Studies, Hiroshima Shudo University
  • MORITA Takeshi
    Graduate School of Health and Environmental Sciences, Fukuoka Women’s University

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Other Title
  • メラノプシンを含む網膜神経節細胞への一日を通した光刺激制御が 夜間のメラトニン分泌挙動および睡眠感に及ぼす影響
  • メラノプシン オ フクム モウマク シンケイセツ サイボウ エ ノ ツイタチ オ トオシタ ヒカリ シゲキ セイギョ ガ ヤカン ノ メラトニン ブンピ キョドウ オヨビ スイミンカン ニ オヨボス エイキョウ

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Abstract

This study aimed to confirm the effects of mRGC stimulation control throughout morning, daytime, and nighttime on the circadian rhythm using melatonin secretion and sense of sleep as readouts. In the case of mRGC stimulation control, by gradually increasing the stimulation from the morning, maintaining high stimulation in daytime, and gradually reducing stimulation from evening to nighttime, the sense of sleep tended to be higher and saliva melatonin secretion phase was maintained without delaying compared to constant stimulation throughout the day.

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