Table 2.
Results for time-frequency analysis of the EEG, FWE corrected (p < .05) effects in the time-frequency domain.
| Electrode position | Power increase (+) or decrease (−) | Frequency band | Frequency [Hz] | Time [ms] | T-value | p-Value (FWE-corrected) | Degree of freedom |
|---|---|---|---|---|---|---|---|
| Nociception | |||||||
| Pz | + | Delta/theta | 3–6 | 350–1150 | 5.58 | 0.000 | 59 |
| − | Alpha | 9–10 | 1450–2000 | 3.75 | 0.014 | 59 | |
| Oz | + | Delta/theta | 2–5 | 100–1800 | 7.97 | 0.000 | 59 |
| + | Beta | 13–23 | 750–2000 | 4.40 | 0.003 | 59 | |
| Main effect visual | |||||||
| Pz | + | Delta/theta/alpha | 2–8 | 100–600 | 10.02 | 0.000 | 59 |
| − | Delta/theta | 2–7 | 700–2000 | 10.37 | 0.000 | 59 | |
| − | Beta | 13–21 | 300–2000 | 8.95 | 0.000 | 59 | |
| Oz | + | Delta/theta/alpha | 2–9 | 100–500 | 12.48 | 0.000 | 59 |
| + | Flickering (SSVEP) | 8 | 100–2000 | 5.56 | 0.000 | 59 | |
| − | Alpha | 13 | 200–2000 | 6.20 | 0.000 | 59 | |
| − | Delta/theta | 2–6 | 700–2000 | 8.13 | 0.000 | 59 | |
| Group effect visual (controls < patients) | |||||||
| Oz | + | Flickering (SSVEP) | 8 | 350–1150 | 5.58 | 0.038 | 58 |