Georg-August University Göttingen, Third Institute of Physics, Bernstein Center for Computational Neuroscience, Göttingen, Germany.|Georg-August University Göttingen, Third Institute of Physics, Bernstein Center for Computational Neuroscience, Göttingen, Germany.|Georg-August University Göttingen, Third Institute of Physics, Bernstein Center for Computational Neuroscience, Göttingen, Germany.