Neurologic | Chorea | Dystonia | Eye movement slowing | Hyperreflexia | Gait abnormality | Myoclonus (rare) | Parkinsonism (late stages) | | Psychiatric | Apathy | Irritability | Depression | Delusions | Aggression | Anxiety | Disinhibition | Paranoia | | Cognitive | Poor judgment | Inflexibility of thought | Loss of insight | Decreased concentration | Memory loss | Subcortical dementia | |