Conceptualizing a Cyborg (IMAGE) University of Pennsylvania School of Medicine Caption Schematic of stretch-grown axons, showing axons growing on electrodes on right and computer-controlled motor pulling axons to left. Blow-up is close-up of stretch-grown axons. Credit Douglas H. Smith, MD, University of Pennsylvania School of Medicine Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.