You are a candidate for Transcranial Magnetic Stimulation or TMS if you have depression, anxiety or PTSD and you have not responded to one or more antidepressant. You also must not have epilepsy or have had a seizure in the past. You cannot have TMS if you have any metal in your eyes or your brain. You must not have cochlear implants, a pacemaker or any implanted device in your body. For more information, read about TMS.