text: <unk><unk>  must be<unk> ed from other<unk> s that can mimic this<unk>  clinically or radiologically such as: essential tremor, scans without evidence of dopaminergic deficit (SWEDD), dementia with Lewy bodies, multiple system atrophy, corticobasal degeneration, progressive supranuclear palsy, idiopathic and familial basal ganglia calcification, and secondary<unk> ism.
option_0: Parkinson's disease differential diagnosis
option_1: Amyotrophic lateral sclerosis differential diagnosis
option_2: Lightheadedness and vertigo differential diagnosis
option_3: Parkinson's disease other diagnostic studies
option_4: Transient ischemic attack differential diagnosis
option_5: Epilepsy differential diagnosis
option_6: Asperger syndrome differential diagnosis
option_7: Seizure differential diagnosis