Table 2.
Mean contingent negative variation (CNV) amplitude at Cz (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 | −5.0 (0.9) | −5.0 (0.9) | −3.1 (0.8) | −2.8 (0.7) |
| Sham | −5.3 (0.97) | −4.2 (1.0) | −2.9 (0.5) | −2.6 (1.0) |
| Old adult | ||||
| Dominant | ||||
| Active | −5.4 (1.1) | −4.0 (1.0) | −4.2 (0.9) | −3.9 (1.0) |
| Sham | −5.5 (0.97) | −6.1 (0.97) | −3.9 (1.3) | −4.1 (0.9) |
| Non-Dominant | ||||
| Active | −7.4 (1.2) | −6.4 (1.2) | −4.5 (1.0) | −4.5 (1.2) |
| Sham | −5.8 (1.1) | −6.8 (1.1) | −4.9 (1.4) | −4.3 (1.1) |
Standard error of the mean is in parentheses.