Lighting the Way to Understand the Brain (IMAGE) Norwegian University of Science and Technology Caption Researchers at the Norwegian University of Science and Technology's Kavli Institute of Systems Neuroscience have used advanced techniques to make select rat neurons light sensitive, enabling them to understand which cells talk to other cells in the brain. The picture shows a greatly enlarged rat neuron and a laboratory rat. Credit Geir Mogen, NTNU Usage Restrictions with proper crediting 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.