Keywords: Data Analysis, fMRIThe relationship between the activity of brain areas and that of the entire brain remains unknown. The temporal correlation of the BOLD time signal of an area with that of every point in the brain yields a full spatial map that characterizes the entire brain’s functional co-activity (FC) relative to that area’s activity. Analyzing the temporal correlation of the signal time courses of two areas and the spatial correlation of their corresponding two FC maps for all pairwise areas revealed a quantitative relationship between the activity of brain areas and that of the entire brain.
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