Table 1 This table shows the results of the electrophysiological study: Pattern Reversal-VEP initial amplitudes (N1P1 and P1N2, μV), and habituation slopes in healthy volunteers (HV) and episodic migraineurs (MoA), before, just after and 3 h after anodal tDCS
Groups and VEP comparison | First block amplitude (μV) | Habituation slope (over six blocks) | ||||
|---|---|---|---|---|---|---|
Before | After | + 3h | Before | After | + 3h | |
Healthy volunteers | ||||||
(n=11) | ||||||
N1P1 | 6.1±2.0 | 6.8±2.6 | 6.3±2.2 | -0.07±0.14 | -0.21±0.14* | -0.08±0.14 |
P1N2 | 6.6±2.1 | 6.5±2.0 | 6.0±1.6 | -0.18±0.19 | -0.14±0.16 | -0.12±0.25 |
Episodic migraineurs | ||||||
(n=13) | ||||||
N1P1 | 7.1±2.9 | 7.3±3.1 | 7.2±2.7 | -0.10±0.11 | -0.24±0.18* | -0.11±0.17 |
P1N2 | 6.6±2.6 | 6.4±2.9 | 6.8±2.5 | -0.01±0.21 | -0.17±0.24 | -0.07±0.21 |