Search for Novel Transcranial Magnetic Stimulation (TMS) Targets for Mental Illness

This study is looking for new brain targets that could make transcranial magnetic stimulation (TMS) — a non-invasive brain stimulation therapy — more effective for people with depression, anxiety, OCD, or schizophrenia. **You may be eligible if...** - You are between 18 and 65 years old - You have a primary diagnosis of major depression, generalized anxiety disorder (GAD), obsessive-compulsive disorder (OCD), or schizophrenia - Your symptoms are above a minimum severity threshold on standardized questionnaires - You have been on the same psychiatric medications (or none) for at least 4 weeks - You are proficient enough in English to complete questionnaires and provide consent **You may NOT be eligible if...** - You have a history of seizures or epilepsy - You have metal implants in your head (such as cochlear implants or aneurysm clips) - You have a different primary psychiatric diagnosis not listed above Talk to your doctor to see if this trial is right for you.