Fig. 6.

Connectivity between regions with statistically significant AVA during wakefulness, shown for the W, N1, N2 and N3 conditions. We constructed functional ROIs around peak voxels showing AVA effects during wakefulness. For each condition, we characterized the connectivity of these regions using hierarchical clustering on the single-participant level, and then derived a consensus, centroid solution on the group level from the single-participant dendrograms. The resulting solutions were qualitatively similar across conditions (upper row). In contrast, the absolute correlations between time series decreased from wakefulness sleep.