Electroconvulsive Therapy is the best-studied brain stimulation therapy and has perhaps the longest history of use. This article on the National Institute of Mental Health discusses other (sometimes experimental) stimulation therapies including:
- Electroconvulsive Therapy (ECT)
- Vagus Nerve Stimulation (VNS)
- Repetitive Transcranial Magnetic Stimulation (rTMS)
- Magnetic Seizure Therapy (MST)
- Deep Brain Stimulation (DBS)
The full article is at http://www.nimh.nih.gov/health/topics/brain-stimulation-therapies/brain-stimulation-therapies.shtml