Table 1.
Gray matter density reduction based on statistical maps shown in Figure 1
| Positive effects (increase) | Negative effects (decrease) | |||||||
|---|---|---|---|---|---|---|---|---|
| Left | Right | Left | Right | |||||
| Clusters | Area | Clusters | Area | Clusters | Area | Clusters | Area | |
| Child to adolescent gray matter | ||||||||
| Frontal | 3 | 162 | 6 | 228 | 51 | 2481 | 32 | 3251 |
| Parietal | 2 | 14 | 0 | 0 | 13 | 666 | 18 | 461 |
| Temporo-occipital | 3 | 4 | 0 | 0 | 13 | 294 | 30 | 280 |
| Adolescent to adult gray matter | ||||||||
| Frontal | 2 | 15 | 2 | 4 | 23 | 4463 | 23 | 2832 |
| Parietal | 13 | 205 | 2 | 22 | 12 | 359 | 18 | 425 |
| Temporo-occipital | 0 | 0 | 0 | 0 | 12 | 980 | 13 | 431 |
The number of clusters (sets of two or more significant surface points; p ≤ 0.05) and area in square millimeters is presented by hemisphere and by lobe, and positive and negative effects are shown separately.