Summary
This paper investigates the pupil reflex to blue flickering light of different frequencies, finding that flickering light at certain frequencies can stimulate the intrinsically photosensitive retinal ganglion cells (ipRGCs) more strongly than non-flickering light, potentially affecting melatonin secretion and circadian rhythms.
Categories
Sleep and insomnia: The paper discusses how exposure to light at night can suppress melatonin secretion and disrupt circadian rhythms, potentially leading to sleep disorders.
Cognitive function and memory: The paper explores the role of ipRGCs, which are involved in non-image forming visual functions such as the regulation of circadian rhythms, sleep, and cognition.
Lighting Design Considerations: The paper suggests that considering the effects of different frequencies of flickering light on ipRGCs could be important for creating more comfortable and healthy lighting environments.
Hormone regulation: The paper discusses the role of light exposure in suppressing melatonin secretion, a hormone that regulates sleep-wake cycles.
Author(s)
小崎智照， 西村英玲奈， 高雄元晴
Publication Year
2023
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Hormone regulation
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