Table 1. Comparison of EEG variables between groups (N = 18).
| Parameters | VRBT (n = 10) | BT (n = 8) | ||
|---|---|---|---|---|
| Pre | Post | Pre | Post | |
| Concentration | ||||
| Fp1 | 24.3 (21.9) | 29.3 (19.2) | 23.9 (30.5) | 33.0 (24.2) |
| Fp2 | 20.2 (18.1) | 30.0 (23.1)** | 23.2 (29.7) | 37.1 (28.6) |
| F3 | 18.8 (−7.5) | 22.3 (−8.7) | 26.4 (30.9) | 35.7 (26.1) |
| F4 | 13.5 (−5.2) | 19.5 (−5.4)** | 21.8 (27.9) | 33.0 (21.1) |
| Brain activity | ||||
| Fp1 | 2.11 (1.33) | 3.13 (2.23)* | 1.76 (0.30) | 2.23 (1.14) |
| Fp2 | 1.99 (1.28) | 3.92 (4.05) | 1.95 (0.85) | 3.50 (2.08) |
| F3 | 4.41 (2.76) | 8.30 (5.58)* | 4.79 (5.02) | 4.34 (3.55) |
| F4 | 4.01 (2.83) | 5.08 (3.71) | 4.41 (4.49) | 4.05 (2.50) |
Data are mean (SD). VRBT: virtual reality-based bilateral upper-limb training; BT: bilateral upper-limb training group; Fp1: frontopolar 1; Fp2: frontopolar 2; F3: frontal 3; F4: frontal 4; *p < 0.05, **p < 0.01