Dr. Peter Machnik (IMAGE) Universität Bayreuth Caption Dr. Peter Machnik in one of the laboratories at Animal Physiology at the University of Bayreuth. In the background: Set-up for the electrophysiological study of nerve cells in the brains of fish. 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.