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
Flocillations are seen in : 
Select and explain. 
A. Alzheimer's disease, B. Lewy body dementia, C. Punch drunk syndrome, D. Delirium
D: Delirium
Answer: D: Delirium 
Explanation: Flocillations or bed picking behavior is seen in patients with delirium.