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Benchmarking nonparametric Granger causality: Robustness against downsampling and influence of spectral decomposition parameters

Pagnotta, Mattia F. ; Dhamala, Mukesh ; Plomp, Gijs

In: NeuroImage, 2018, vol. 183, p. 478-494

Brain function arises from networks of distributed brain areas whose directed interactions vary at subsecond time scales. To investigate such interactions, functional directed connectivity methods based on nonparametric spectral factorization are promising tools, because they can be straightforwardly extended to the nonstationary case using wavelet transforms or multitapers on sliding time...