Summary
This paper investigates the role of melanopsin-dependent direct photic effects in shaping the sleep-wake cycle, finding that these effects are equal to clock-driven effects and are primarily mediated through melanopsin, half of which were relayed through the suprachiasmatic nuclei, independent of clock function.
Categories
Sleep and insomnia: The paper investigates the role of light in shaping the sleep-wake cycle, finding that direct light effects are equally as important as circadian-driven input.
Alertness and performance: The paper finds that the suprachiasmatic nuclei, beyond its clock function, significantly influences vigilance states.
Cognitive function and memory: The paper discusses the impact of light on cognitive performance, with disruptions in light-dark cycles leading to poorer cognitive performance.
Shift work: The paper uses a model that predicts sleep-wake cycles under simulated jet-lag, relevant to shift workers.
Jet lag: The paper discusses the impact of light on sleep-wake cycles, relevant to understanding and managing jet lag.
Phototherapy: The paper's findings on the role of light in sleep-wake cycles could be relevant to phototherapy treatments.
Lighting Design Considerations: The paper suggests that sustained direct light effects should be considered for societal lighting optimization.
Author(s)
J Hubbard, MK Frisk, E Ruppert, JW Tsai, F Fuchs
Publication Year
2020
Number of Citations
2
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Alertness and performance
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Cognitive function and memory
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Shift work
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Jet lag
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Phototherapy
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Lighting Design Considerations
- Color appearance models
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- Form and function of the M4 cell, an intrinsically photosensitive retinal ganglion cell type contributing to geniculocortical vision
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