Optogenetics (IMAGE) University of Bern Caption Using a technique called optogenetics, the activity of cells in the brain can be specifically suppressed with light pulses. Credit © Pascal Gugler / Insel Gruppe 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.