Table 2.
The series of comparisons in onset and parietal ERP responses between subsequent experimental groups with one-way Kruskal-Wallis ANOVA / t-tests. * was used for marking p < 0.05, ** for marking p < 0.001.
| Comparison | Onset (central channels) | Change (parietal channels) | ||
|---|---|---|---|---|
| p - value | Cohen’s d | p - value | Cohen’s d | |
| Responding vs. Passive | 0.9872 | 0.178 | 0.896 | 0.548 |
| Responding vs. MCS | 0.000** | 1.686 | 0.487 | 0.818 |
| Responding vs. Asleep | 1.0000 | −0.057 | 0.001** | 0.948 |
| Responding vs. UWS | 0.001** | 1.573 | 0.030* | 1.272 |
| Passive vs. MCS | 0.004** | 1.376 | 0.953 | 0.297 |
| Passive vs. Asleep | 0.991 | −0.192 | 0.173 | 0.693 |
| Passive vs. UWS | 0.006** | 1.287 | 0.263 | 0.934 |
| MCS vs. Asleep | 0.000** | −1.440 | 0.585 | 0.561 |
| MCS vs. UWS | 0.999 | −0.101 | 0.696 | 0.750 |
| Asleep vs. UWS | 0.000** | 1.366 | 0.999 | −0.191 |