3D conceptual drawing (IMAGE) National Research Council of Science & Technology Caption 3D conceptual drawing for the ring-shaped electrode with stimulating, recording electrodes, and pre-amplifier Credit Korea Institute of Science and Technology(KIST) Usage Restrictions The sources of photos and research results from KIST must be specified. 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.