Anna-Lena Lumma1, Bethany E Kok2, Tania Singer2. 1. Department of Social Neuroscience, Max Planck Institute for Human Cognitive and Brain Sciences, Stephanstraße 1A, 04103 Leipzig, Germany. Electronic address: lumma@cbs.mpg.de. 2. Department of Social Neuroscience, Max Planck Institute for Human Cognitive and Brain Sciences, Stephanstraße 1A, 04103 Leipzig, Germany.