This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'Deep brain stimulation has been approved for treatment of \nSelect and explain. \nA. Movement disorders like Parkinsonism, B. Schizophrenia, C. Depression, D. Anxiety disorder', 'role': 'user'}, {'content': 'Answer: A \nExplanation: DBS is approved only for treatment resistant parkinsonism by FDA, Has been tried for treatment resistant depression, OCD, other movement disorders', 'role': 'assistant'}]