| Brain pathology | Number of cases |
| Genetic or developmental diseases | 7 |
| Asperger syndrome | 2 |
| Cortical dysplasia and retinitis pigmentosa | 1 |
| Prader-Willi syndrome | 1 |
| Mosaicism with Robert's syndrome* | 1 |
| Intellectual disability and pyramidal syndrome | 1 |
| Intellectual disability, incontinentia pigmenti, acanthosis nigricans, and hereditary exostosis | 1 |
| Stroke | 5 |
| Traumatic hemorrhages of the right hemisphere | 3 |
| Multi-infarct dementia | 1 |
| Thalamic ischemic stroke | 1 |
| Infectious encephalitis | 3 |
| Others: multiple sclerosis, paraneoplastic syndrome, autoimmune encephalitis, hydrocephalus | 1 case each |
