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BrainMap components are well matched to ICA components.

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posted on 05.11.2015 by Diederick Stoffers, B. Alexander Diaz, Gang Chen, Anouk den Braber, Dennis van ‘t Ent, Dorret I. Boomsma, Huibert D. Mansvelder, Eco de Geus, Eus J. W. Van Someren, Klaus Linkenkaer-Hansen

Ten ICNs from the analysis of the 29,671-subject BrainMap activation database (Right column of each pair: [37]) paired to 10 ICNs that were selected out of 20 components from the ICA analysis of the current rs-fMRI dataset (right column). The networks were paired using spatial cross-correlation with mean r = .46 (range = .25–.71); the weakest of these correlations thus has a significance of P = 10−5 (corrected). All ICA spatial maps were converted to Z statistic images via a normalized mixture–model fit, and then thresholded at Z = 3. The figure shows the 3 most informative orthogonal slices for each pair. ICNs are displayed in a gradient from red to yellow (3 < Z < 5), superimposed on the MNI152 standard space template image, in radiological convention (left = right). The r statistic is displayed at the top of each panel.

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