Summary
This paper investigates the effects of different wavelengths of light on human cognitive function, finding that exposure to 458 nm light resulted in a significantly larger P300 amplitude than 550 nm light, suggesting that short wavelength monochromatic light can affect the circadian rhythms of cognitive functions.
Categories
Cognitive function and memory: The paper investigates how different wavelengths of light affect cognitive function, specifically through the measurement of the P300 amplitude, a component of the event-related potential (ERP) that is associated with cognitive efficiency.
Lighting Design Considerations: The study examines the effects of different wavelengths of light (458 nm and 550 nm) on cognitive function, suggesting that lighting design that considers wavelength could potentially influence cognitive function.
Hormone regulation: The paper discusses the role of the suprachiasmatic nucleus (SCN), which has a nerve connection with the pineal gland responsible for the regulation of some types of hormones, in mediating the effects of light on cognitive function.
Sleep and insomnia: The paper discusses the role of light in circadian-phase resetting, which is relevant to sleep regulation, and suggests that short wavelength monochromatic light can affect the circadian rhythms of cognitive functions.
Author(s)
M An, J Huang, Y Shimomura
Publication Year
2009
Number of Citations
35
Related Publications
Cognitive function and memory
- Phototransduction by retinal ganglion cells that set the circadian clock
- The twoâprocess 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
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 rodâcone photoreceptors play different roles in mediating pupillary light responses during exposure to continuous light in humans
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 rhythmsâfrom 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
Sleep and insomnia
- The twoâprocess model of sleep regulation: a reappraisal
- Strange vision: ganglion cells as circadian photoreceptors
- Melanopsin-positive intrinsically photosensitive retinal ganglion cells: from form to function
- Functional and morphological differences among intrinsically photosensitive retinal ganglion cells
- The impact of light from computer monitors on melatonin levels in college students