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Increasing fMRI Sampling Rate Improves Granger Causality Estimates

Figure 1

(Left) Locations of the five ROIs (t statistics of the BOLD signal averaged between 4.0 s and 7.0 s after the visual stimulus onset) in each hemisphere.

(Right) Hemodynamic time courses and estimated neuronal activity using hemodynamic deconvolution at five ROIs.

Figure 1

doi: https://doi.org/10.1371/journal.pone.0100319.g001