This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
Subcoical dementia is seen in all except : 
Select and explain. 
A. Parkinsonism, B. Alzheimer's disease, C. Wilsoms disease, D. Huntingtons Chorea
B: Alzheimer's disease
Answer: B: Alzheimer's disease 
Explanation: B i.e. Alzheimer's disease