• Pflugers Arch. · Jan 2012

    Review

    Functional neuroimaging of the reciprocal influences between sleep and wakefulness.

    • Zayd Jedidi, Estelle Rikir, Vincenzo Muto, Laura Mascetti, Caroline Kussé, Ariane Foret, Anahita Shaffii-Le Bourdiec, Gilles Vandewalle, and Pierre Maquet.
    • Cyclotron Research Centre (B30), University of Liège, 6, Allée du 8 Août, 4000, Liège, Belgium.
    • Pflugers Arch. 2012 Jan 1; 463 (1): 103-9.

    AbstractThe activity patterns adopted by brain neuronal populations differ dramatically between wakefulness and sleep. However, these vigilance states are not independent and they reciprocally interact. Here, we provide evidence that in humans, regional brain activity during wakefulness is influenced by sleep regulation, namely by the interaction between sleep homeostasis and circadian signals. We also show that, by contrast, regional brain activity during sleep is influenced by the experience acquired during the preceding waking period. These data reveal the dynamic interactions by which the succession of vigilance states support normal brain function and human cognition.

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