Dystonia is related to the basal ganglia, the area of the brain located in the cerebrum that initiates muscle contractions.

Historically, frontotemporal lobar degeneration (FTLD), corticobasal ... whereas SD involves basal ganglia only late in the disease, and SD is usually associated with ubiquitin, not tau, inclusions.

Progressive supranuclear palsy (PSP) and corticobasal degeneration ... and basal ganglia asymmetric hypometabolism. Striatal β-CIT binding with SPECT shows asymmetric uptake. On brain parenchyma ...