Article (Scientific journals)
Light as a Modulator of Non-Image-Forming Brain Functions—Positive and Negative Impacts of Increasing Light Availability
Campbell, Islay; Sharifpour, Roya; Vandewalle, Gilles
2023In Clocks and Sleep, 5 (1), p. 116-140
Peer reviewed
 

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Keywords :
General Medicine
Abstract :
[en] Light use is rising steeply, mainly because of the advent of light-emitting diode (LED) devices. LEDs are frequently blue-enriched light sources and may have different impacts on the non-image forming (NIF) system, which is maximally sensitive to blue-wavelength light. Most importantly, the timing of LED device use is widespread, leading to novel light exposure patterns on the NIF system. The goal of this narrative review is to discuss the multiple aspects that we think should be accounted for when attempting to predict how this situation will affect the NIF impact of light on brain functions. We first cover both the image-forming and NIF pathways of the brain. We then detail our current understanding of the impact of light on human cognition, sleep, alertness, and mood. Finally, we discuss questions concerning the adoption of LED lighting and screens, which offer new opportunities to improve well-being, but also raise concerns about increasing light exposure, which may be detrimental to health, particularly in the evening.
Research center :
CRC - Centre de Recherches du Cyclotron - ULiège [BE]
Precision for document type :
Review article
Disciplines :
Life sciences: Multidisciplinary, general & others
Author, co-author :
Campbell, Islay  ;  Université de Liège - ULiège > GIGA
Sharifpour, Roya  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques
Vandewalle, Gilles  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques
Language :
English
Title :
Light as a Modulator of Non-Image-Forming Brain Functions—Positive and Negative Impacts of Increasing Light Availability
Publication date :
17 March 2023
Journal title :
Clocks and Sleep
eISSN :
2624-5175
Publisher :
MDPI AG
Volume :
5
Issue :
1
Pages :
116-140
Peer reviewed :
Peer reviewed
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
EU - European Union [BE]
ULiège - Université de Liège [BE]
Leon Fredericq Foundation [BE]
Funding text :
European Union’s Horizon 2020 research and innovation program under the Marie Skłodowska-Curie; ULiège-Valeo Innovation Chair “Health and Well-Being in Transport”; Sanfran (LIGHT-CABIN project), ULiège and Leon Fredricq Foundation
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since 21 April 2023

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