Department of Neuroscience, Baylor College of Medicine, Houston, Texas, United States of America.|Department of Mathematics and Department of Biology and Biochemistry, University of Houston, Houston, Texas, United States of America.|Department of Neuroscience, Baylor College of Medicine, Houston, Texas, United States of America, Werner Reichardt Center for Integrative Neuroscience and Institute for Theoretical Physics, University of Txc3xbcbingen, Germany, Bernstein Center for Computational Neuroscience, Txc3xbcbingen, Germany, Max Planck Institute for Biological Cybernetics, Txc3xbcbingen, Germany.|Department of Neuroscience, Baylor College of Medicine, Houston, Texas, United States of America.|Department of Neuroscience, Baylor College of Medicine, Houston, Texas, United States of America.|Department of Neuroscience, Baylor College of Medicine, Houston, Texas, United States of America, Department of Computational and Applied Mathematics, Rice University, Houston, Texas, United States of America.