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
Repeated transcranial magnetic stimulation (rTMS) of brain is used in the treatment of which of the following conditions? 
Select and explain. 
A. Depression, B. Resistant schizophrenia, C. Resistant OCD, D. Acute psychosis
A: Depression
Answer: A: Depression 
Explanation: Repeated transcranial magnetic stimulation (rTMS) is a non-invasive method that has been introduced as a treatment alternative for depression. Ref: Depression And Dementia: Progress In Brain Research, Clinical Applications ... By S. N. Sarbadhikari, 2006, Page 198; Kaplan and Sadock's Concise Textbook of Clinical Psychiatry By Benjamin J. Sadock, Virginia A. Sadock, 2008, Page 566