Basic Background of Brain Stimulation: Anatomy and Physiology -- Basal Ganglia and Neuron Network -- Mechanism of Brain Stimulation -- Symptoms and Signs -- Parkinson disease -- Other movement disorders -- Epilepsy. Clinical Studies on Deep Brain Stimulation: Intraoperative Microrecording -- Instrument of Brain Stimulation -- Surgical Technique -- Instrument -- Parkinson disease -- Stimulation of Subthalamic Nucleus -- Stimulation of Globus Pallidus -- Stimulation of Thalamus -- Dystonia -- Essential Tremor -- Intractable pain -- Motor Cortex Stimulation -- Spinal Cord Stimulation -- Psychiatric Disorders -- Epilepsy -- Complications.