Table 2. Mean ± SD for PSD in bands of interest in frontal (F3, F4) and parietal (P3, P4) regions. Bold font means significant group differences.
| Sessions of study | Group | Area | Delta (2–4 Hz) | Theta (4–8 Hz) | Alpha (8–12 Hz) | Beta1 (12–20 Hz Hz) | Beta2 (20–30 Hz) |
| Beginning of the study | Control group | Parietal | 33.2 ± 7.0 | 18.3 ± 5.2 | 22.9 ± 9.9 | 4.2 ± 4.9 | 3.5 ± 2.8 |
| Frontal | 29.9 ± 6.8 | 17.9 ± 5.6 | 17.3 ± 7.4 | 5.3 ± 7.1 | 4.0 ± 5.2 | ||
| ASD +ABA group | Parietal | 35.5 ± 7.9 | 16.8 ± 7.4 | 19.1 ± 10.5 | 5.6 ± 7.4 | 3.8 ± 4.5 | |
| Frontal | 32.8 ± 8.3 | 17.2 ± 6.8 | 13.8 ± 9.3 | 5.0 ± 6.2 | 4.1 ± 5.3 | ||
| ASD group | Parietal | 36.1 ± 8.2 | 19.1 ± 4.7 | 18.9 ± 8.1 | 5.8 ± 5.5 | 4.0 ± 4.6 | |
| Frontal | 37.0 ± 6.9 | 18.0 ± 5.9 | 12.8 ± 11.6 | 7.9 ± 10.3 | 2.9 ± 3.4 | ||
| End of the study | Control group | Parietal | 34.1 ± 6.6 | 17.9 ± 4.8 | 21.7 ± 8.5 | 4.8± 6.6 | 3.4 ± 4.9 |
| Frontal | 30.7 ± 6.8 | 17.3 ± 5.8 | 17.9 ± 7.4 | 5.8 ± 7.9 | 3.9 ± 5.2 | ||
| ASD +ABA group | Parietal | 35.9 ± 5.7 | 19.1 ± 7.4 | 18.8 ± 8.9 | 5.3 ± 6.3 | 3.7 ± 5.9 | |
| Frontal | 36.7 ± 5.9 | 18.2 ± 7.1 | 14.2 ± 8.5 | 5.2 ± 6.5 | 4.2 ± 6.1 | ||
| ASD group | Parietal | 33.7 ± 8.4 | 18.5 ± 6.3 | 18.8 ± 7.3 | 6.3 ± 6.0 | 3.8 ± 5.2 | |
| Frontal | 36.6 ± 7.9 | 18.7 ± 6.8 | 13.4 ± 9.5 | 8.2 ± 9.1 | 3.1 ± 5.9 |