Cited by 73Circadian rhythm and melatoninLight effects on plantsImpact of Light on Environment and Health

The Influence of Different Wavelengths of Light on Human Biological Rhythms.

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Morita, Takeshi, Tokura, Hiromi·1998·APPLIED HUMAN SCIENCE Journal of Physiological Anthropology

Abstract

The purpose of this review was to discuss the influence of light on humans in the environment, focusing the relation between the quality of light and human biological rhythms, and also to apply the results on lighting planning to a living space which takes into account human health and comfort. The main discussions were as follows: 1) The effects of light on the behavior of core temperature and melatonin vary depending on its wavelength. Light with long wavelengths, such as light with a low color temperature and red light, had little influence on the human biological rhythms. On the other hand, green and blue light--light of mid-short wavelength such as light with a high color temperature--had a greater influence. 2) From the relation between the stimulus received by each photoreceptor and the inhibition of core temperature and melatonin, it might be concluded that the photoreceptor responsible for transmitting light information that affects biological rhythms is M-cones. 3) A higher light intensity was required in the morning than in the evening to induce the inhibition of melatonin secretion. This result suggests the possibility of existence of a diurnal change of sensitivity of the photoreceptors (M-cones). 4) From all these results, it is proposed in the field of living environment and living engineering that light with a low color temperature should be used for low-level lighting at night, and high-level light with a high color temperature in the morning.

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  • Exposure to short wavelength visible light (between 400 and 500 nm) has a stronger influence on circadian resetting than longer wavelength light.

    “Exposure to short wavelength visible light (between 400 and 500 nm, i.e. blue and blue-enriched light) has a stronger influence on the circadian resetting than longer wavelength light [63–66].”

    From Human thermal perception and time of day: A review (2021) · cites this paper as [63]

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References 48 · Cited by 73

Research works printed but not linked: 3

  1. Avery DH (1987) REM sleep and temperature regulation in affective disorder. In Halaris ed. Chronobiology and psychiatric disorders. Elsevier, New York, 75-101
  2. Morita T, Teramoto Y, Tokura H (1998) Inhibitory effect of light of different wavelengths on the behavior of core temperature and melatonin during the nighttime in humans. Biological clocks. Mechanisms and applications. Elsevier Science, Amsterdam, 345-348
  3. Yano M (1995) Sociology of Time Budgets: Social Time, Personal Time. University of Tokyo Press.

Authors
Morita, T., & Tokura, H.
Affiliations
Nara Women's University (JP)
Venue
APPLIED HUMAN SCIENCE Journal of Physiological Anthropology
Published
1998
Volume
17
Issue
3
Pages
91-96
ISSN
1341-3473 (ISSN-L)
OpenAlex
W2004646983
Cited by
73
References
48
Citations by year
2026: 3 · 2025: 4 · 2024: 5 · 2023: 1 · 2022: 2 · 2021: 3 · 2020: 3 · 2019: 9 · 2018: 2 · 2017: 2 · 2016: 3 · 2015: 3 · 2014: 3 · 2013: 4 · 2012: 2
FWCI
0.14
Type
journal article
Language
en
Open access
Locations
  • Applied Human Science Journal of Physiological Anthropology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Light effects on plants
  • Physical Sciences › Environmental Science › Global and Planetary Change › Impact of Light on Environment and Health
Keywords
light wavelength, circadian rhythm, melatonin secretion, core body temperature, color temperature, blue light, green light, red light, M-cones, photoreceptors, light intensity, lighting design, living environment
MeSH terms
Circadian Rhythm, Humans, Light, Lighting, Melatonin, Periodicity, Photoreceptor Cells

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