| Phenotype details |
see paper; ..., moderate intellectual disability; behavioural problems; nonprogressive cognitive dysfunction during childhood; 32y start of progressive cognitive decline; no psychopathology; wheelchair bound; speech single word; no myopia; dystonia; no Parkinsonism; EEG epileptic seizures focal in early infancy?; urinary incontinence; MRI brain iIron deposition globus pallidus, mesencephalic peduncles; MRI brain cerebral atrophy |