Neuroimaging, cognition, light and circadian rhythms

In humans, sleep and wakefulness and the associated cognitive processes are regulated through interactions between sleep homeostasis and the circadian system. Chronic disruption of sleep and circadian rhythmicity is common in our society and there is a need for a better understanding of the brain me...

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Main Authors: Giulia eGaggioni, Pierre eMaquet, Christina eSchmidt, Derk-Jan eDijk, Gilles eVandewalle
Format: Article
Language:English
Published: Frontiers Media S.A. 2014-07-01
Series:Frontiers in Systems Neuroscience
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fnsys.2014.00126/full
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author Giulia eGaggioni
Pierre eMaquet
Christina eSchmidt
Christina eSchmidt
Derk-Jan eDijk
Gilles eVandewalle
author_facet Giulia eGaggioni
Pierre eMaquet
Christina eSchmidt
Christina eSchmidt
Derk-Jan eDijk
Gilles eVandewalle
author_sort Giulia eGaggioni
collection DOAJ
description In humans, sleep and wakefulness and the associated cognitive processes are regulated through interactions between sleep homeostasis and the circadian system. Chronic disruption of sleep and circadian rhythmicity is common in our society and there is a need for a better understanding of the brain mechanisms regulating sleep, wakefulness and associated cognitive processes. This review summarizes recent investigations which provide first neural correlates of the combined influence of sleep homeostasis and circadian rhythmicity on cognitive brain activity. Markers of interindividual variations in sleep-wake regulation, such as chronotype and polymorphisms in sleep and clock genes, are associated with changes in cognitive brain responses in subcortical and cortical areas in response to manipulations of the sleep-wake cycle. This review also includes recent data showing that cognitive brain activity is regulated by light, which is a powerful modulator of cognition and alertness and also directly impacts sleep and circadian rhythmicity. The effect of light varied with age, psychiatric status, PERIOD3 genotype and changes in sleep homeostasis and circadian phase. These data provide new insights into the contribution of demographic characteristics, the sleep-wake cycle, circadian rhythmicity and light to brain functioning.
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spelling doaj.art-af215683c4174b24aa2ecad85c1b5cec2022-12-21T19:15:41ZengFrontiers Media S.A.Frontiers in Systems Neuroscience1662-51372014-07-01810.3389/fnsys.2014.0012692031Neuroimaging, cognition, light and circadian rhythmsGiulia eGaggioni0Pierre eMaquet1Christina eSchmidt2Christina eSchmidt3Derk-Jan eDijk4Gilles eVandewalle5Cyclotron Research CentreCyclotron Research CentreCyclotron Research CentreCentre for ChronobiologySurrey Sleep Research CentreCyclotron Research CentreIn humans, sleep and wakefulness and the associated cognitive processes are regulated through interactions between sleep homeostasis and the circadian system. Chronic disruption of sleep and circadian rhythmicity is common in our society and there is a need for a better understanding of the brain mechanisms regulating sleep, wakefulness and associated cognitive processes. This review summarizes recent investigations which provide first neural correlates of the combined influence of sleep homeostasis and circadian rhythmicity on cognitive brain activity. Markers of interindividual variations in sleep-wake regulation, such as chronotype and polymorphisms in sleep and clock genes, are associated with changes in cognitive brain responses in subcortical and cortical areas in response to manipulations of the sleep-wake cycle. This review also includes recent data showing that cognitive brain activity is regulated by light, which is a powerful modulator of cognition and alertness and also directly impacts sleep and circadian rhythmicity. The effect of light varied with age, psychiatric status, PERIOD3 genotype and changes in sleep homeostasis and circadian phase. These data provide new insights into the contribution of demographic characteristics, the sleep-wake cycle, circadian rhythmicity and light to brain functioning.http://journal.frontiersin.org/Journal/10.3389/fnsys.2014.00126/fullCognitionLightSleepfMRIcircadiannon-image-forming
spellingShingle Giulia eGaggioni
Pierre eMaquet
Christina eSchmidt
Christina eSchmidt
Derk-Jan eDijk
Gilles eVandewalle
Neuroimaging, cognition, light and circadian rhythms
Frontiers in Systems Neuroscience
Cognition
Light
Sleep
fMRI
circadian
non-image-forming
title Neuroimaging, cognition, light and circadian rhythms
title_full Neuroimaging, cognition, light and circadian rhythms
title_fullStr Neuroimaging, cognition, light and circadian rhythms
title_full_unstemmed Neuroimaging, cognition, light and circadian rhythms
title_short Neuroimaging, cognition, light and circadian rhythms
title_sort neuroimaging cognition light and circadian rhythms
topic Cognition
Light
Sleep
fMRI
circadian
non-image-forming
url http://journal.frontiersin.org/Journal/10.3389/fnsys.2014.00126/full
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AT christinaeschmidt neuroimagingcognitionlightandcircadianrhythms
AT christinaeschmidt neuroimagingcognitionlightandcircadianrhythms
AT derkjanedijk neuroimagingcognitionlightandcircadianrhythms
AT gillesevandewalle neuroimagingcognitionlightandcircadianrhythms