Description You've heard of a pacemaker for the heart, but what about for the head? We'll go under the knife with a Cardington, Ohio farmer who's getting electrodes implanted in his brain to alleviate the debilitating physical effects of a rare neurological disorder. To see the full segment, visit www.pbs.org after original broadcast. Tune in to WIRED SCIENCE on your local PBS station (check local listings). For more information, visit www.pbs.org