Implant illustration (IMAGE) Northwestern University Caption Ilustration of the implantable device inside an arm. The red oval indicates pain. The device softly wraps around the peripheral nerve to silence signals to the brain. Credit Northwestern University Usage Restrictions Add credit License Original 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.