Table 2. Descriptive (mean and SD) and inferential statistics in ERP, ERO, and PSD analysis for cue-P3.
| Active tACS | Sham tACS | t / V | p-value | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Pre | Post | Absolute Change | Pre | Post | Abs. Change | ||||
| Cue- P3 (350–600 ms) | ERP (µV) | 0.40 (0.58) | 0.19 (1.41) | −0.20 (1.52) | 0.43 (1.05) | 0.29 (0.69) | −0.14 (1.28) | −0.11 | 0.912 |
| Delta (dB) | −0.57 (1.19) | −1.19 (1.33) | −0.62 (1.65) | −0.31 (0.95) | 0.02 (0.81) | 0.33 (1.36) | −2.06 | 0.067 | |
| Theta (dB) | −0.29 (0.91) | −1.20 (0.63) | −0.91 (0.75) | 0.18 (0.93) | −0.34 (1.18) | −0.51 (1.20) | −1.54 | 0.154 | |
| Adjusted Frequency (dB) | −0.48 (1.13) | −1.05 (0.79) | −0.57 (1.20) | −0.19 (0.82) | −0.14 (0.96) | 0.06 (1.31) | −2.07 | 0.032 | |
| Spectral Analysis | Delta (dB) | 7.47 (2.76) | 7.08 (2.34) | −0.39 (2.50) | 7.26 (2.14) | 6.81 (2.59) | −0.44 (2.22) | 0.04 | 0.972 |
| Theta (dB) | 0.39 (2.48) | 0.43 (1.83) | 0.04 (1.79) | 0.94 (2.77) | 0.42 (2.21) | −0.51 (2.53) | 0.46 | 0.658 | |
| Adjusted Frequency (dB) | 4.94 (3.87) | 4.72 (4.84) | −0.22 (1.93) | 5.26 (4.02) | 4.22 (4.08) | −1.04 (3.08) | 0.61 | 0.556 | |
Notes.
Absolute change is the subtraction of Post–Pre.