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
Which of the following behavioral problems would suggest an organic brain lesion - 
Select and explain. 
A. Formal thought disorder, B. Auditory hallucinations, C. Visual hallucinations, D. Depression
C: Visual hallucinations
Answer: C: Visual hallucinations 
Explanation: Visual and other non-auditory hallucinations are seen commonly in organic psychiatric illness. On the other hand, auditory hallucinations are common in schizophrenia.