1. A method for treating movement disorders, comprising: determining that the patient has a gait disorder; and applying electrical stimulation to a cortical region of the patient's brain that is closer to the interhemispheric fissure than to the Sylvian fissure of the patient's brain including a first site and a second site with the first and second site located on the same side of the central sulcus, wherein the electrical stimulation affects the patient's gait thereby treating the movement disorder.