Table 2.
Mean and standard deviations for baseline EEG absolute power variables (μV2)
| Toys EEG power | Social EEG power | Bubbles EEG power | ||||
|---|---|---|---|---|---|---|
| Theta | ||||||
| (5–7 Hz) | Frontal | 6.0 (2.8) | Frontal | 5.6 (2.2) | Frontal | 5.7 (2.4) |
| Central | 5.8 (3.5) | Central | 5.7 (3.1) | Central | 6.1 (3.5) | |
| Posterior | 6.9 (3.8) | Posterior | 7.4 (3.9) | Posterior | 8.7 (5.6) | |
| Alpha | ||||||
| (8–10 Hz) | Frontal | 3.2 (1.5) | Frontal | 2.9 (1.4) | Frontal | 2.9 (1.3) |
| Central | 4.4 (2.8) | Central | 4.2 (2.8) | Central | 3.8 (2.3) | |
| Posterior | 4.6 (2.1) | Posterior | 4.1 (2.1) | Posterior | 4.8 (2.3) | |
| Beta 1 | ||||||
| (11–20 Hz) | Frontal | 1.0 (0.7) | Frontal | 1.0 (0.9) | Frontal | 0.9 (0.5) |
| Central | 0.7 (0.4) | Central | 0.7 (0.4) | Central | 0.6 (0.3) | |
| Posterior | 0.8 (0.3) | Posterior | 0.7 (0.3) | Posterior | 0.8 (0.3) | |
| Beta 2 | ||||||
| (21–30 Hz) | Frontal | 0.9 (1.4) | Frontal | 0.8 (1.1) | Frontal | 0.7 (0.8) |
| Central | 0.4 (0.4) | Central | 0.4 (0.3) | Central | 0.3 (0.2) | |
| Posterior | 0.3 (0.2) | Posterior | 0.3 (0.2) | Posterior | 0.3 (0.2) | |
Abbreviation: EEG, electroencephalography.