Medical Psychology and Behavioral Neurobiology, University of Tübingen, Tübingen, Germany.|Medical Psychology and Behavioral Neurobiology, University of Tübingen, Tübingen, Germany.|Medical Psychology and Behavioral Neurobiology, University of Tübingen, Tübingen, Germany.|Bernstein Center for Computational Neuroscience, Ludwig-Maximilians-Universität München, Planegg-Martinsried, Germany.|Medical Psychology and Behavioral Neurobiology, University of Tübingen, Tübingen, Germany.