Funding for this research was provided by:
Max-Planck-Institut für Kognitions- und Neurowissenschaften
Received: 15 October 2019
Accepted: 20 May 2020
First Online: 1 June 2020
Ethics approval and consent to participate
: The study was approved by the local ethics-committee of the Medical Faculty at the University of Leipzig (137/17-ek). All participants gave written informed consent to participate in the experiments according to the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.