Observing Nerve Cells (image) Universität Bayreuth Share Print E-Mail Caption Using the two-photon microscope in Bayreuth, it is possible to switch off individual nerve cells, observe their condition over several days, and at the same time observe the effects on behavior. Credit Photo: Christian Wißler. Usage Restrictions None Share Print E-Mail 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.