Table 2.
Details on EEG Connectivity data and behavioral data. Cells report median and (IQR25—IQR75) of post- and pre-differences of EEG data (each band and region for each condition; for example, alpha frontal median for sham condition was −0.08 and IQR25 −0.12, IQR75 0.01) and behavioral data (CRS-R total scores and modified index for each condition. For example, the median of CRS-R total scores for sham condition was −0.5 and IQR25 −1, IQR75 1.25). The last column reports the Chi-squared and p-value (between parentheses) for the Kruskal–Wallis comparing that band and region between conditions for the EEG data and the Chi-squared and p-value for the Kruskal–Wallis between conditions for behavioral data.
| Sham | tDCS | tPCS | Chi-Squared (p-Value) | |
|---|---|---|---|---|
| Alpha frontal | −0.08 (−0.12; 0.01) |
0.10 (−0.016; 0.15) |
0.02 (−01; 0.09) |
4.90 (0.08) |
| Alpha parietal | 0.000 (−0.02; 0.06) |
0.045 (0.001; 0.12) |
0.011 (−0.04; 0.13) |
0.673 (0.71) |
| Theta frontal | −0.037 (−0.09; 0.09) |
0.142 (−0.05; 0.19) |
−0.122 (−0.20; 0.01) |
5.697 (0.05) |
| Theta parietal | −0.12 (−0.20; 0.00) |
−0.04 (−0.19; 0.03) |
−0.01 (−0.09; 0.00) |
0.08 (0.64) |
| CRS-R total score | −0.5 (−1; 1.25) |
1 (−0.5; 1.5) |
0 (−0.25; 0.25) |
1.47 (0.49) |
| CRS-R modified index | −1.04 (−2.09; 1.47) |
4.52 (−0.26; 10.42) |
0 (−6.93; 0) |
4.11 (0.13) |