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. 2010 May 3;107(22):10238–10243. doi: 10.1073/pnas.0913110107

Fig. 2.

Fig. 2.

Cross-correlation between the fMRI (ROI data) and LFP power time courses as a function of LFP constituent frequency. (A) Cross-correlation over all frequencies, expressed as a function of temporal lag (abscissa), averaged over all sessions in three monkeys. Dashed horizontal lines indicate apparent divisions between processes corresponding to frequency ranges. These were classified for further analysis as low (2–15 Hz), middle (15–40 Hz), and high (40–80 Hz). (B) Cross-correlations, for each of the three monkeys, from band-limited power signals derived from each of the three frequency ranges indicated in A.