Site and type of cortical lesions
| Number (% of total) Cortical Lesions | Type A | Type B | |
|---|---|---|---|
| Superior frontal gyrus | 17 (19.8%) | 2 | 15 |
| Middle frontal gyrus | 25 (29.1%) | 6 | 19 |
| Inferior frontal gyrus | 3 (3.5%) | 1 | 2 |
| Precentral gyrus | 18 (20.5%) | 6 | 12 |
| Postcentral gyrus | 3 (3.5%) | 0 | 3 |
| Precuneus | 2 (2.3%) | 1 | 1 |
| Superior parietal lobe | 2 (2.3%) | 0 | 2 |
| Supramarginal gyrus | 1 (1.2%) | 0 | 1 |
| Inferior parietal lobe | 2 (2.3%) | 0 | 2 |
| Insula | 2 (2.3%) | 0 | 2 |
| Superior temporal gyrus | 5 (6.8%) | 2 | 3 |
| Inferior temporal gyrus | 1 (1.2%) | 0 | 1 |
| Parahippocampal gyrus | 2 (2.3%) | 0 | 2 |
| Uncus | 2 (2.3%) | 1 | 1 |
| Cuneus | 1 (1.2%) | 1 | 0 |
| Total | 86 | 20 | 66 |