Table 2.
Median RTs in milliseconds and accuracy rates (with standard deviations in parentheses) as a function of electrode montage, tDCS condition and trial type.
| DLPFC montage | Fronto-medial montage | |||||
|---|---|---|---|---|---|---|
| Anodal | Cathodal | Sham | Anodal | Cathodal | Sham | |
| Reaction time | ||||||
| Congruent | 468.97 (79.7) | 458.84 (69.1) | 466.34 (76.5) | 482.05 (53.2) | 490.23 (51.3) | 496.23 (53.7) |
| Incongruent | 509.10 (73.0) | 498.42 (64.4) | 510.97 (77.4) | 522.81 (60.9) | 534.63 (55.4) | 540.76 (59.3) |
| Neutral | 471.13 (78.4) | 464.13 (67.0) | 474.92 (79.6) | 481.44 (48.2) | 498.81 (55.9) | 500.26 (51.3) |
| Congruency sequence effect | ||||||
| cC | 476.987 (82.680) | 469.46 (81.8) | 473.37 (84.8) | 489.46 (55.8) | 501.85 (55.7) | 506.96 (61.5) |
| cI | 519.48 (76.3) | 513.63 (71.5) | 524.42 (85.5) | 534.77 (71.0) | 548.07 (63.1) | 563.27 (65.5) |
| iC | 482.25 (89.7) | 470.293 (78.3) | 480.35 (89.4) | 493.37 58.3) | 498.72 (54.6) | 512.45 (61.6) |
| iI | 513.33 (80.0) | 502.15 (68.6) | 517.60 (81.5) | 521.16 (64.2) | 534.97 (53.3) | 537.95 (61.9) |
| Accuracy | ||||||
| Congruent | 0.988 (0.016) | 0.988 (0.023) | 0.986 (0.026) | 0.990 (0.010) | 0.988 (0.014) | 0.992 (0.008) |
| Incongruent | 0.975 (0.024) | 0.975 (0.020) | 0.981 (0.015) | 0.980 (0.017) | 0.981 (0.015) | 0.983 (0.015) |
| Neutral | 0.985 (0.025) | 0.985 (0.026) | 0.989 (0.018) | 0.991 (0.014) | 0.986 (0.014) | 0.992 (0.010) |
| No-go | 0.951 (0.048) | 0.962 (0.034) | 0.961 (0.045) | 0.967 (0.020) | 0.970 (0.020) | 0.956 (0.031) |
DLPFC dorsolateral prefrontal cortex, cC congruent trials preceded by congruent trials, iC congruent trials preceded by incongruent trials, cI incongruent trials preceded by congruent trials, iI incongruent trials preceded by incongruent trials.