Table 2.
ANOVA outcome for average activity [μV] in alpha/beta frequencies (mean ± SD).
| (A) Alpha band (electrodes) | ST walk | DT-CI | DT-MI | Condition p value (d) |
|---|---|---|---|---|
| FPz | 1.22 ± 0.3 | 1.19 ± 0.2 | 1.18 ± 0.2 | 0.75 (0.4) |
| Fz | 1.38 ± 0.2 | 1.35 ± 0.1 | 1.35 ± 0.1 | 0.53 (0.5) |
| FCz | 1.48 ± 0.2 | 1.41 ± 0.1 | 1.38 ± 0.1 | 0.03 (1.2) |
| Cz | 1.41 ± 0.2 | 1.31 ± 0,2 | 1.32 ± 0.1 | 0.04 (1.2) |
| Pz | 1.38 ± 0.1 | 1.35 ± 0.1 | 1.35 ± 0.1 | 0.55 (0.5) |
| POz | 1.48 ± 0.2 | 1.43 ± 0.2 | 1.39 ± 0.1 | 0.10 (1.0) |
|
| ||||
| (B) Beta band (electrodes) | ST walk | DT-CI | DT-MI | Condition p value (d) |
|
| ||||
| FPz | 0.88 ± 0.1 | 0.85 ± 0.1 | 0.90 ± 0.1 | 0.04 (1.1) |
| Fz | 0.80 ± 0.1 | 0.80 ± 0.1 | 0.84 ± 0.1 | 0.04 (1.2) |
| FCz | 0.88 ± 0.1 | 0.84 ± 0.1 | 0.86 ± 0.1 | 0.04 (1.1) |
| Cz | 0.87 ± 0.1 | 0.79 ± 0.1 | 0.84 ± 0.1 | 0.03 (1.2) |
| Pz | 0.84 ± 0.1 | 0.84 ± 0.1 | 0.87 ± 0.1 | 0.26 (0.7) |
| POz | 0.89 ± 0.1 | 0.91 ± 0.1 | 0.92 ± 0.1 | 0.21 (0.8) |
ST walk: single-task walking, DT-CI: walking + cognitive interference, DT-MI: walking + motor interference, and d: Cohen's d; significant effects are displayed in bold.