This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mood Disorders, Subject name: Psychiatry
[{'content': 'Following are the somatic therapies used in depression, except: \nSelect and explain. \nA. Electroconvulsive therapy, B. Deep brain stimulation, C. Transcranial magnetic stimulation, D. Ultrasound brain stem stimulation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ECT, deep brain stimulation as well as Trans-cranial magnetic stimulation can be used for treatment of depression. Some other somatic therapy for depression: 1.ECT (Electroconvulsive therapy) It is indicated in- * Depression with suicide risk * Depression with stupor * Psychotic depression, treatment refractoriness 2.Repetitive Transcranial magnetic stimulation --> Non convulsive, no anesthesia 3. Vagal Nerve stimulation 4.Deep brain stimulation 5.Sleep deprivation 6. Phototherapy- used in depression with seasonal pattern', 'role': 'assistant'}]