About the Authors
Institut für Psychologie, Goethe-Universität, Frankfurt am Main, Germany
Institut für Kognitive Neurowissenschaften, Biopsychologie, Ruhr-Universität Bochum, Bochum, Germany
The authors have declared that no competing interests exist.
HP and OG conceived and designed the experiments. HP and AS performed the experiments. HP, AS, and OG analyzed the data, contributed reagents/materials/analysis tools, and wrote the paper.