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ICN maps selected from model order of 25 (a), 50 (b), 75 (c), and 100 (d). A total number of 127 ICNs were determined between all model orders (15, 28, 36, and 48 from 25, 50, 75, and 100, respectively). All the ICNs were identified from each model order and included components with peak activations in gray matter as well as low-frequency time courses. ICN, intrinsic connectivity network. Color images are available online.
