| Phenotype details |
see paper; ..., severe intellectual disability; behavioural problems; nonprogressive cognitive dysfunction during childhood; 35y start of progressive cognitive decline; depressive symptoms in adulthood?; wheelchair bound; no speech; myopia; dystonia; Parkinsonism rigidity, tremor; EEG epileptic seizures absences, tonic-clonic, tonic (multiple spikes); urinary incontinence; MRI brain iIron deposition globus pallidus, substantia nigra, nucleus ruber; MRI brain cerebral atrophy |