Image of a So-Called Chaotic Saddle (IMAGE) University of Bonn Caption which describes the behavior of the model developed in Bonn and Oldenburg. It can be understood in simplified form as a type of curved horse saddle on which a ball is rolling along. Credit (c) Image: Neurophysics Group of the Department of Epileptology Bonn Usage Restrictions This image may be used with the press release. 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.