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Abnormal Sleep/Wake Dynamics in Orexin Knockout Mice
Author(s) -
Cecilia Diniz Behn,
Elizabeth B. Klerman,
Takatoshi Mochizuki,
ShihChieh Lin,
Thomas E. Scammell
Publication year - 2010
Publication title -
sleep
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 2.222
H-Index - 207
eISSN - 1550-9109
pISSN - 0161-8105
DOI - 10.1093/sleep/33.3.297
Subject(s) - narcolepsy , wakefulness , non rapid eye movement sleep , orexin , neuroscience , sleep (system call) , psychology , electroencephalography , medicine , neurology , neuropeptide , receptor , computer science , operating system
Narcolepsy with cataplexy is caused by a loss of orexin (hypocretin) signaling, but the physiologic mechanisms that result in poor maintenance of wakefulness and fragmented sleep remain unknown. Conventional scoring of sleep cannot reveal much about the process of transitioning between states or the variations within states. We developed an EEG spectral analysis technique to determine whether the state instability in a mouse model of narcolepsy reflects abnormal sleep or wake states, faster movements between states, or abnormal transitions between states.

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