Principal Investigators Prof. M.A.J. de Koning-Tijssen Dystonia, myoclonus Prof. dr. J.G.M. Rosmalen Functionele symptomen Prof. dr. T.J. de Koning Pediatrics, metabolic disorders and genetics Prof. dr. H.H. Kampinga Celbiologie, Huntington Prof. Dr. D.S. Verbeek Genetics, spinocerebellar ataxia Prof. O.C.M. Sibon Neurodegeneration and Iron Accumulation Dr. D.A. Sival Pediatric Neurology, Ataxia Dr. M. Mauthe Disease mechanisms, BPAN Prof. H.P.H. Kremer Huntington, SCA Prof. dr. J.M. Spikman Clinical neuropsychology, social cognition, executive functions Prof Dr P.C.A. van der Wel Principal investigator