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Flow chart for sample fMRI time series data for computing graph measures. A brain registered to the standard MNI Atlas is segmented based on AAL template into 90 regions. Time series from each of these regions are analyzed using large-scale Granger Causality (lsGC). The matrix obtained is converted to an undirected graph using thresholding and a directed graph using sparsing and graph measure described in Aim 2 are computed
