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NeurobloggersJanuary 12, 2015. Causality in fMRI research. 1) Secondly, once regions are defined, we would like to infer from the data how much information is transmitted between these regions. This problem boils down to rendering pairwise. Between regions. If we picture the network as a graph, we can also call brain regions ‘nodes’ in this context, because the problem of causality in fMRI reduces to finding the right edges between the nodes representing brain regions. Of the first. Pearl points out that we do no...
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