Deep lesioning is defined as the removal of tissue within the brain by use of an electrode.

Deep brain stimulation (DBS) is a surgical treatment that involves the use of an electrode to stimulate specific areas of the brain in order to treat certain medical conditions. The electrode is inserted into the brain through a small hole in the skull, and it is typically guided to the target area using imaging techniques such as computed tomography (CT) or magnetic resonance imaging (MRI). Once the electrode is in place, it is connected to a pulse generator, which is usually implanted in the chest or abdomen. The pulse generator sends electrical signals to the electrode, which in turn stimulates the targeted brain cells.

Deep brain stimulation is typically used to treat a variety of conditions that involve abnormal brain activity, such as Parkinson's disease, essential tremor, and dystonia. It is also being investigated as a treatment for a number of other conditions, including depression, obsessive-compulsive disorder (OCD), and Tourette's syndrome. While DBS can be effective in reducing symptoms and improving quality of life for some people, it is a major surgical procedure that carries some risks and potential side effects. It is important for individuals considering DBS to discuss the potential benefits and risks with a healthcare provider and to carefully weigh their options before deciding whether to proceed with the treatment.