Fig. 7: Correlation of spontaneous and evoked EEG voltage for the replication EEG dataset (equivalent to Fig. 3 in the main dataset). | Communications Biology

Fig. 7: Correlation of spontaneous and evoked EEG voltage for the replication EEG dataset (equivalent to Fig. 3 in the main dataset).

From: Dynamic relationships between spontaneous and evoked electrophysiological activity

Fig. 7

a Pseudotrial-corrected time courses for high prestimulus (red) and low prestimulus (blue) conditions. Line shows mean across all sensors and subjects, shaded area indicates standard error of the channel-average time course across subjects. Effect topographies are shown at 100 ms, 300 ms, 500 ms, and 700 ms; white dots indicate sensors which are part of a significant cluster. Shaded overbars indicate the significance of the difference between prestim high and low conditions. The shade of the bar indicates the percent of sensors which are part of a significant cluster at any given time point (i.e., darkest = all sensors part of cluster, lightest/white = no sensors part of cluster); red indicates positive clusters (prestim high > prestim low), blue indicates negative clusters. b Time course of trial-to-trial variability. Lines, overbars, and topographies as in a): red overbars indicate clusters with TTV increases, blue overbars indicate TTV decreases. c Correlation of the two methods. Mean values of the summary indices across sensors are plotted in the scatterplot, and the correlation coefficient at each electrode is plotted in the inset. White dots indicate sensors significant after cluster correction. N = 22 participants.

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