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Data‐driven topological filtering of a functional brain network. (a) A fully‐weighted correlation map derived from 64 BOLD time series of a resting‐state condition. (b) Maximisation of global cost‐efficiency (global cost‐efficiency—cost) parameter over iterative orthogonal minimum spanning trees tills it gets its maximum value. (c) The threshold connected functional brain network as a sparser version of the original fully‐weighted brain network showed in (a)
