NBIA
From SNPedia
NBIA, which stands for neurodegeneration with brain iron accumulation, is a group of inherited neurological disorders in which iron accumulates in the basal ganglia, resulting in progressive dystonia, Parkinsonism, spasticity, optic atrophy or retinal degeneration and neuropsychiatric abnormalities.
Wikipedia
As delineated in OMIM, NBIA encompasses a group of rare and heterogeneous disorders, currently named (at least in OMIM) as follows with their associated casuative genes: