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3 avril 2019
- doi: 10.1523/JNEUROSCI.2298-18.2019
- issn: 0270-6474
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Paradoxical sleep REM sleep Fast wave sleep REMS (Rapid eye movement sleep) Rhombencephalic sleepCiter ce document
G. Bernardi et al., « Regional Delta Waves In Human Rapid Eye Movement Sleep. », Serveur académique Lausannois, ID : 10.1523/JNEUROSCI.2298-18.2019
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Although the EEG slow wave of sleep is typically considered to be a hallmark of nonrapid eye movement (NREM) sleep, recent work in mice has shown that slow waves can also occur in REM sleep. Here, we investigated the presence and cortical distribution of negative delta (1-4 Hz) waves in human REM sleep by analyzing high-density EEG sleep recordings obtained in 28 healthy subjects. We identified two clusters of delta waves with distinctive properties: (1) a frontal-central cluster characterized by ∼2.5-3.0 Hz, relatively large, notched delta waves (so-called "sawtooth waves") that tended to occur in bursts, were associated with increased gamma activity and rapid eye movements (EMs), and upon source modeling displayed an occipital-temporal and a frontal-central component and (2) a medial-occipital cluster characterized by more isolated, slower (