| Phenotype details |
walk-18m; febrile convulsion at infant; speech few words; cognitive dysfunction during childhood; developmental delay, intellectual disability; gait possible; cognitive dysfunction; 32y-Parkinsonism, rigidity, no tremor; postural abnormality; no dystonia; no increasing deep tendon reflex; appearances of pathologic reflex; progressive dementia during adulthood; no psychiatric symptoms; epileptic seizure; good Levodopa responsive; Levodopa-induced dyskinesia; no RETT-like features; no sleep problems; no ocular defects; EEG abnormal; MRI brain T2 hypointense substantia nigra and globus pallidus (high iron), T1 hyperintense ‘halo’ in midbrain, no eye-of-the-tiger sign, no white matter involvement, diffuse cerebral atrophy temporal (lt > rt), no cerebellar atrophy, SPECT hypoperfusion left frontotemporal, no MIBG myocardial scintigraphy washout |