Enhanced local synchronization with impaired large-scale recruitment of NREM slow waves in pediatric disorders of arousal

NREM slow waves emerge from the synchronization of neuronal activity across multiple spatial scales. During childhood, local synchronization and large-scale propagation undergo distinct maturational trajectories, paralleling cortical synaptic remodeling and the maturation of long-range brain connectivity. How alterations in this local-to-global organization relate to arousal instability remains poorly understood. Here, we used 256-channel high-density EEG to characterize NREM oscillatory organization in 17 children with disorders of arousal (DOA) and 17 age- and sex-matched healthy controls. C

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