A method for of performing a medical procedure on a patient suffering from a movement disorder. The method comprises delivering electrical current having a defined pulse rate equal to or greater than 1500 Hz and/or a defined pulse duration equal to or less than 200 Hz to spinal cord tissue of the patient in a manner that modulates neuronal traffic in at least one dorsal column (DC) nerve fiber of the patient, thereby treating symptoms of the movement disorder without causing the patient to perceive paresthesia from the delivered electrical current.
