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Granger Causality

Granger causality has become a very powerful technique to reveal networks structures from a give set of time series data. In recent years, we have developed many new techniques [1] to apply the Granger causality to neuroscience and molecular biological data.

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Figure: Granger causality and its extensions, from [1]

[1] Frontiers in Computational and Systems Biology; Feng J.F., W.J. Fu, and F.Z Sun(eds.), Springer-Verlag,2010

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Figure: An application of Granger causality to resting state fMRI data gives us the brain structures (work in progress).