Summary
This paper investigates the effects of short-wavelength narrow-bandwidth light compared to long-wavelength narrow-bandwidth light on alertness, task performance, and circadian adaptation during a simulated night shift.
Categories
Alertness and performance: The paper studies the effects of different light wavelengths on alertness and performance during a simulated night shift, finding that short-wavelength light improved alertness and task performance compared to long-wavelength light.
Shift work: The study is conducted in the context of a simulated night shift, examining how different light conditions can impact workers' alertness, performance, and circadian rhythms.
Lighting Design Considerations: The paper discusses the use of ceiling mounted LED-luminaires to administer different light conditions, suggesting their potential use in real workplaces to improve alertness and performance among night workers.
Cognitive function and memory: The study includes cognitive performance tasks during the simulated night shift, finding that short-wavelength light improved task performance compared to long-wavelength light.
Hormone regulation: The paper discusses the shift of the melatonin rhythm (phase delay) after working a night shift in short-wavelength light compared to long-wavelength light.
Author(s)
E Sunde, T Pedersen, J Mrdalj, E Thun, J Grønli
Publication Year
2020
Number of Citations
22
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Alertness and performance
- The two‐process model of sleep regulation: a reappraisal
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- Acute alerting effects of light: A systematic literature review
- Can light make us bright? Effects of light on cognition and sleep
- Shining light on memory: Effects of bright light on working memory performance
Shift work
- Circadian rhythms–from genes to physiology and disease
- The end of night: searching for natural darkness in an age of artificial light
- Off the clock: from circadian disruption to metabolic disease
- Short‐wavelength enrichment of polychromatic light enhances human melatonin suppression potency
- Nocturnal light exposure impairs affective responses in a wavelength-dependent manner
Lighting Design Considerations
- Color appearance models
- Melanopsin-positive intrinsically photosensitive retinal ganglion cells: from form to function
- Acute alerting effects of light: A systematic literature review
- Form and function of the M4 cell, an intrinsically photosensitive retinal ganglion cell type contributing to geniculocortical vision
- Melanopsin and rod–cone photoreceptors play different roles in mediating pupillary light responses during exposure to continuous light in humans
Cognitive function and memory
- Phototransduction by retinal ganglion cells that set the circadian clock
- The two‐process model of sleep regulation: a reappraisal
- Strange vision: ganglion cells as circadian photoreceptors
- Information processing in the primate retina: circuitry and coding
- Melanopsin-positive intrinsically photosensitive retinal ganglion cells: from form to function
Hormone regulation
- Phototransduction by retinal ganglion cells that set the circadian clock
- The impact of light from computer monitors on melatonin levels in college students
- Circadian rhythms–from genes to physiology and disease
- Effects of artificial dawn and morning blue light on daytime cognitive performance, well-being, cortisol and melatonin levels
- Light pollution, circadian photoreception, and melatonin in vertebrates