Acknowledgements
The authors thank the physicians Prof. Dr. C. Busse, Prof. Dr. B. Hauptmann, Prof. Dr. O. Heese, Prof. Dr. G. Lüers, and Prof. Dr. K. Wiedemann for their clinical assistance with running this pharmacological study. We thank Prof. Dr. L. Schwabe for providing us with the approach-avoidance conflict task version employed in this study and approving its online publication. We also thank Annika Schönbohm, Anna Stürck, Manuel Weber, and Lucia Wentzlaff for their experimental assistance.