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Can light make us bright? Effects of light on cognition and sleep
Open accessAbstract
Light elicits robust nonvisual effects on numerous physiological and behavioral variables, such as the human sleep-wake cycle and cognitive performance. Light effects crucially rely on properties such as dose, duration, timing, and wavelength. Recently, the use of methods such as fMRI to assess light effects on nonvisual brain responses has revealed how light can optimize brain function during specific cognitive tasks, especially in tasks of sustained attention. In this chapter, we address two main issues: how light impinges on cognition via consolidation of human sleep-wake cycles; and how light directly impacts on sleep and cognition, in particular in tasks of sustained attention. A thorough understanding of how light affects sleep and cognitive performance may help to improve light settings at home and at the workplace in order to improve well-being.
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Metadata
- Authors
- Chellappa, S. L., Gordijn, M. C. M., & Cajochen, C.
- Affiliations
- Ministry of Education (BR)
- University of Groningen (NL)
- University of Basel (CH)
- Corresponding author
- Gordijn, Marijke C.M.
- Venue
- Progress in brain research
- Publisher
- Elsevier
- Published
- 2011
- Volume
- 190
- Pages
- 119-133
- ISSN
- 0079-6123 (ISSN-L)
- OpenAlex
- W2158444499
- Cited by
- 157
- References
- 85
- Citations by year
- 2026: 10 · 2025: 10 · 2024: 17 · 2023: 12 · 2022: 9 · 2021: 8 · 2020: 16 · 2019: 10 · 2018: 11 · 2017: 14 · 2016: 7 · 2015: 6 · 2014: 12 · 2013: 12 · 2012: 1
- FWCI
- 10.69
- Type
- book chapter
- Language
- en
- Open access
- green
- orbi.uliege.be
- Licence
- other-oa
- Locations
- Progress in brain research (publishedVersion)
- PubMed (publishedVersion)
- ePrints Soton (University of Southampton) (submittedVersion)
- Open Repository and Bibliography (University of Liège) (submittedVersion, other-oa)
- University of Groningen research database (University of Groningen / Centre for Information Technology) (submittedVersion)
- Topics
- Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and Work-Related Fatigue
- Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
- Keywords
- sleep-wake cycle, sleep consolidation, sustained attention, cognitive performance, light wavelength, workplace lighting, home lighting, well-being
- MeSH terms
- Animals, Biological Clocks, Circadian Rhythm, Cognition, Humans, Light, Sleep, Visual Perception, Wakefulness
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