期刊名称：Revue de Neuropsychologie Neurosciences Cognitives et Cliniques
印刷版ISSN：2101-6739
电子版ISSN：2102-6025
出版年度：2016
卷号：8
期号：3
页码：173-181
DOI：10.1684/nrp.2016.0391
出版社：John Libbey Eurotext
摘要：Neurobehavioral performance presents fluctuations over the 24-hour light-dark cycle, depending on the sleep-wake habits of an individual. These modulations are contingent upon the chronotype, which reflects interindividual differences in circadian preference, and particularly upon the synchronicity between the individuals’ peak periods of circadian arousal and the time of the day at which testing occurs. Despite the importance currently attributed to sleep-wake hygiene, our socio-professional timing constraints frequently impose to be active and sleep against our physiological needs. This review highlights the importance of diurnal modulations in cognitive performance, its cerebral underpinnings and the presence of interindividual differences. Finally, the effects of light on the sleep-wake cycle and associated neurobehavioral performance will be briefly described. Light represents the principal factor synchronizing the sleep-wake rhythm to the light-dark cycle and its beneficial effects for alertness and neurobehavioral performance have been increasingly investigated in the past decades.
关键词：chronobiology; circadian rhythms; sleep; cognition; magnetic resonance imaging
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