About the Authors
Department of Biological Psychology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen, Nijmegen, The Netherlands
The authors have declared that no competing interests exist.
Conceived and designed the experiments: CMvR AMLC. Performed the experiments: CMvR HK SM-H. Analyzed the data: CMvR. Wrote the paper: CMvR AMLC.