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Author Maggio, R.; Vaglini, F.; Rossi, M.; Fasciani, I.; Pietrantoni, I.; Marampon, F.; Corsini, G.U.; Scarselli, M.; Millan, M.J.
Title Parkinson's disease and light: The bright and the Dark sides Type Journal Article
Year 2019 Publication (up) Brain Research Bulletin Abbreviated Journal Brain Res Bull
Volume 150 Issue Pages 290-296
Keywords Humah Health; Light pollution; Near-infrared light; Parkinson's disease
Abstract Light exerts a major influence on human behaviour and health, mainly owing to the importance of sight in our lives, but also due to its entrainment of daily rhythms via the suprachiasmatic nucleus, the master pacemaker. Light may also be a useful clinical medium, as in lumino-therapy for the improvement of depressed mood. Further, as discussed herein, local application of near infrared light to the substantia nigra exerts neuroprotective properties in models of Parkinson's disease. However, light also has a darker side. In general, as regards the growing problem to human health – and the natural world – of excess exposure to artificial light: both urban glow and ubiquitous screens. Moreover, over-exposure to light, in particular fluorescent light, disrupts circadian rhythms and sleep, and may damage dopaminergic neurons. Is it, then, a neglected risk factor for Parkinson's disease? The present article discusses epidemiological and experimental evidence supporting beneficial and potentially deleterious impact of light on dopaminergic neurons and highlights the mechanisms whereby light might influence neuronal tissue.
Address Centre for Innovation in Neuropsychiatry, Institut de Recherches Servier, 125, Chemin de Ronde, 78290, Croissy sur Seine, France. Electronic address: mark.millan@servier.com
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Language English Summary Language Original Title
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Series Volume Series Issue Edition
ISSN 0361-9230 ISBN Medium
Area Expedition Conference
Notes PMID:31226407 Approved no
Call Number GFZ @ kyba @ Serial 2586
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Author Stevens, R.G.
Title Comment on 'Domestic light at night and breast cancer risk: a prospective analysis of 105 000 UK women in the Generations Study' Type Journal Article
Year 2018 Publication (up) British Journal of Cancer Abbreviated Journal Br J Cancer
Volume in press Issue Pages
Keywords Commentary; Human Health
Abstract
Address University of Connecticut, School of Medicine, 263 Farmington Avenue, Farmington, CT, 06032, USA. bugs@uchc.edu
Corporate Author Thesis
Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0007-0920 ISBN Medium
Area Expedition Conference
Notes PMID:30283145 Approved no
Call Number GFZ @ kyba @ Serial 2035
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Author Kyba, C.C.M.; Spitschan, M.
Title Comment on 'Domestic light at night and breast cancer risk: a prospective analysis of 105000 UK women in the Generations Study' Type Journal Article
Year 2018 Publication (up) British Journal of Cancer Abbreviated Journal Br J Cancer
Volume in press Issue Pages
Keywords Human Health; Commentary
Abstract
Address Department of Experimental Psychology, University of Oxford, Oxford, UK
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Language English Summary Language Original Title
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ISSN 0007-0920 ISBN Medium
Area Expedition Conference
Notes PMID:30584260 Approved no
Call Number GFZ @ kyba @ Serial 2145
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Author Sanotra, G.S.; Lund, J.D.; Vestergaard, K.S.
Title Influence of light-dark schedules and stocking density on behaviour, risk of leg problems and occurrence of chronic fear in broilers Type Journal Article
Year 2002 Publication (up) British Poultry Science Abbreviated Journal Br Poult Sci
Volume 43 Issue 3 Pages 344-354
Keywords Animals
Abstract 1. The aims of this study were to determine (1) the effect of light-dark schedules on the walking ability, the risk of tibial dyschondroplasia (TD) as well as the duration of tonic immobility (TI) reactions in commercial broiler flocks and (2) the effect of a daily dark period and reduced density on the behaviour of broiler chickens. 2. Experiment 1. Group 1 had a 2 to 8 h daily dark period from 2 to 26 d of age (light-dark programme A) at a stocking density of 28.4 chicks/m2. Group 2 had 8 h of darkness daily from 2 to 38 d of age (light-dark programme B) at 24 chicks/m2. The control group had 24 h continuous light at 28.4 chicks/m2. 3. Experiment 2. Behaviour was studied with and without a daily 8 h dark period and at high (30 chicks/m2) and low (18 chicks/m2) stocking densities. 4. Programme B reduced the prevalence of impaired walking ability, corresponding to gait score > 2, when compared with controls. The effect on walking ability corresponding to gait score > 0 approached significance. 5. Both light-dark programmes reduced the occurrence of TD. Programme B (combined with reduced stocking density), however, had the greater effect. 6. Both light-dark programmes reduced the duration of TI, compared with controls (mean = 426 s) Programme B resulted in a larger reduction (alpha = -156.9 s) than programme A (alpha = -117.0). 7. The proportions of chicks drinking, eating, pecking, scratching, standing and performing vertical wing-shakes increased--both when the 8 h dark period and the reduced stocking density were applied separately and in combination (experiment 2). 8. For all behaviours, except standing, the effect of the dark period was largest in broilers kept at the high stocking density (d 40).
Address Department of Animal Science and Animal Health, Division of Ethology and Health, Royal Veterinary and Agricultural University, Groennegaardsvej 8, DK-1870 Frederiksberg C, Copenhagen, Denmark. sgs@kvl.dk
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0007-1668 ISBN Medium
Area Expedition Conference
Notes PMID:12195793 Approved no
Call Number GFZ @ kyba @ Serial 2169
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Author Xu, Y.; Knudby, A.; Côté-Lussier, C.
Title Mapping ambient light at night using field observations and high-resolution remote sensing imagery for studies of urban environments Type Journal Article
Year 2018 Publication (up) Building and Environment Abbreviated Journal Building and Environment
Volume 145 Issue Pages 104-114
Keywords Remote Sensing
Abstract Artificial lighting allows for a variety of activities to take place in the absence of sunlight, but also has an increasingly recognized range of negative social and health-related effects. For studies of urban ambient light at night (ALN), objective and standardized data on the amount of ALN experienced by people is often unavailable at the necessary intra-urban spatial scale. In this paper, we outline options for producing such data through (1) field observations acquired with a luminance meter mounted on a vehicle, (2) a 1-m resolution image mosaic produced from a dedicated aerial survey, and (3) a 50-m resolution image taken from the International Space Station. We produce two remote sensing-derived maps of ALN for a large urban area in Canada, and compare their spatial detail to the World Atlas of Artificial Night Sky Brightness, a publicly available alternative data source. Convergent validity with field observations suggests that both mapping approaches can be used to quantify the amount of light humans are exposed to at night, at different locations across a large urban area, and may thus aid in further studying the varied effects of artificial nighttime lighting.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0360-1323 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number GFZ @ kyba @ Serial 1998
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