What is deep brain stimulation? -- Why DBS? -- DBS is effective for patients with Parkinson's disease -- Identifying the least acceptable deep brain stimulation candidates among patients with Parkinson's disease -- Post-operative management of patients with Parkinson disease -- DBS is safe and effective for essential tremor -- Identifying the least acceptable deep brain stimulation candidates among patients with essential tremor -- Post-operative care for essential tremor -- DBS is safe and effective for patients with dystonia -- Identifying the least acceptable DBS candidates among patients with dystonia -- Post-operative management of patients with dystonia -- Deep brain stimulation is safe and effective for Tourette's syndrome -- Identifying the least acceptable DBS candidates among patients with Tourette's syndrome -- Deep brain stimulation for cerebellar outflow tremor -- Deep brain stimulation for hyperkinetic disorders -- DBS is safe and effective for obsessive-compulsive disorder -- Could DBS be effective in the treatment of posttraumatic stress disorder -- Deep brain stimulation and insights to pathophysiology and physiology -- Ethical issues of DBS -- The future of deep brain stimulation.