Figure 3 | Scientific Reports

Figure 3

From: Changes in cross-frequency coupling following closed-loop auditory stimulation in non-rapid eye movement sleep

Figure 3

Topographical distribution of delta, theta and sigma power changes between STIM and SHAM conditions. Power value ratios (STIM/SHAM) were averaged in 200 ms time windows, starting from 200 ms after stimulus onset (start of the stimulation effect in the delta-theta range according to Fig. 2). White dots indicate significant changes, cluster corrected two-sided p < 0.05. The red dot indicates the target channel C4.

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