Shining a Fluorescent Light on the Brain (IMAGE) University of Alberta Caption FlicR1 translates the electrical signals between neurons into fluorescence that can be easily measured using conventional widefield fluorescence microscopy. Credit Courtesy Ahmed Abdelfattah 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.