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
In Alzheimer's disease (AD) which of the following is not seen: 
Select and explain. 
A. Aphasia, B. Acalculia, C. Agnosia, D. Apraxia
B: Acalculia
Answer: B: Acalculia 
Explanation: B i.e. Acalculia