Table 3.
Peak P300 amplitude at Pz (microvolts) for young and old adults for each cue and hand following anodal tDCS and sham.
| Group/Stimulation | Directional left | Directional right | Non-directional left | Non-directional right |
|---|---|---|---|---|
| Young adult | ||||
| Active | 13.8 (1.0) | 15.1 (1.1) | 17.9 (1.1) | 18.9 (0.9) |
| Sham | 14.6 (1.1) | 15.0 (1.1) | 17.7 (1.0) | 17.9 (1.1) |
| Old adult | ||||
| Dominant | ||||
| Active | 15.0 (1.2) | 15.0 (1.2) | 19.0 (1.4) | 17.6 (1.4) |
| Sham | 15.9 (1.1) | 15.1 (1.1) | 19.3 (1.3) | 18.3 (1.3) |
| Non-Dominant | ||||
| Active | 13.9 (1.4) | 14.5 (1.4) | 17.2 (1.6) | 15.9 (1.6) |
| Sham | 13.9 (1.2) | 13.8 (1.3) | 15.5 (1.5) | 14.9 (1.5) |
Standard error of the mean is in parentheses.