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Effectiveness of blue light
CNRS, SANPSY, USR 3413, F-33000 Bordeaux, France.
CNRS, SANPSY, USR 3413, F-33000 Bordeaux, France.
CNRS, SANPSY, USR 3413, F-33000 Bordeaux, France.
Centre du Sommeil et de la Vigilan ce, Hôpital Hôtel-Dieu, Paris, France .
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2011 (English)Report (Other academic)
Abstract [en]

At night, driving ability is impaired by sleepiness induced by sleep deprivation. To meet societal demand, it is necessary to develop countermeasures to fight this drowsiness. Currently, caffeine and naps are effective countermeasures but they have some limitations (differences between individuals in terms of efficiency, limited efficiency duration, side effects). The development and evaluation of new and easily usable countermeasures is wished for the prevention of accidents related to sleepiness. A light wavelength of 480 nm (light blue) improves performance and increases the night time arousal. This countermeasure will be tested under real driving conditions. Since there are differences between individuals in the driving ability degradation induced by sleep deprivation and in the countermeasures efficiency duration, this study will also attempt to determine whether some gene polymorphisms (e.g. PER3, COMT, ADORA2A and ADA polymorphism) or some hormone concentrations (e.g. cortisol and amylase concentrations) involved in regulating the sleep / wake cycle can explain the differences between individuals. Basal cognitive performance of subjects could also explain these inter individual differences. Age is an important factor to consider because half of fatal and nonfatal accidents involving young people occur at night and nocturnal performance were considerably more impaired in young than in older subjects.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2011. , 29-31 p.
Series
VTI notat, 12A-2011
Keyword [en]
Fatigue (human), Driver, Prevention, Method, Evaluation (assessment)
Keyword [sv]
Trötthet, Förare, Förebyggande, Metoder, Utvärdering
National Category
Physiology
Research subject
80 Road: Traffic safety and accidents, 841 Road: Road user behaviour
Identifiers
URN: urn:nbn:se:vti:diva-547OAI: oai:DiVA.org:vti-547DiVA: diva2:669237
Available from: 2013-12-03 Created: 2013-12-03 Last updated: 2015-12-21Bibliographically approved

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fulltext(254 kB)96 downloads
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Type fulltextMimetype application/pdf

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