Using a Two-Photon Microscope (IMAGE) Universität Bayreuth Caption Alexander Hecker M.Sc. and Prof. Dr. Stefan Schuster, Department of Animal Physiology at the University of Bayreuth. Credit Photo: Christian Wißler. 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.