Rapid Pain Signaling (2 of 2) (IMAGE) Linköping University Caption Researchers at Linköping University used a technique that allowed them to detect the signals in the nerve fibers from a single nerve cell. Credit Charlotte Perhammar/LiU Usage Restrictions May be used by media reporting about the research. Please use appropriate credit. 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.