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Six global cluster centroids were identified from k‐means clustering of 2 min of eyes‐closed rest from two retreat interventions. Here, 1,321 cluster centroids (A–F) derived from k‐means clustering of 250 separate recordings are shown grouped according to their global cluster membership. Each global topography is the centroid of respective clusters of maps. Maps are 2D isometric projections with nasion upward. Six cluster centroids went unassigned
