Usually reserved for patients with severe depression who are suicidal, occurs when an electric current is passed through the right hemisphere of the brain. a lobotomy

The correct answer should be electroconvulsive therapy (ECT).
This type of therapy is done under general anesthesia, and is used for people with various mental disorders. The way it works is by changing brain chemistry so that people may start thinking completely differently, and are thus cured of their disorder. Lobotomy has to do with cutting into a person's brain, so this isn't it.