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. 2018 Feb 16;12:72. doi: 10.3389/fnins.2018.00072

Figure 3.

Figure 3

Waveforms and average results computed over posterior sites after Laplacian transformation in right-handers. (A) Grand average CSD waveforms recorded over P3 (blue waves) and P4 (red waves) electrodes in the two experimental conditions (LVF or RVF stimulation). Shading blue and red areas represent the SEM across subjects. (B) Individual data and mean IHTT as a function of the DE and of the direction of interhemispheric transfer. Statistical analysis showed that the asymmetry in IHTT was dependant on the side of the DE: faster from the right to the left (gray circles) for right-handers with a right DE and faster in the reverse direction (green circles) for right-handers with a left DE. The values between brackets represent the 95% Confident Intervals of difference between both directions, computed by subtracting values of the group with the smaller mean from values of the group with the larger mean. (C) Individual data and mean P100-N160 amplitudes recorded over contralateral (dark blue circles) and ipsilateral (light blue circles) hemispheres to the stimulation. The hemisphere contralateral to the stimulation showed greater P100-N160 amplitudes than the ipsilateral hemisphere. Asterisks show a significant effect (p < 0.05).