About the Authors

Matthias S. Keil


Affiliation Basic Psychology Department, Faculty for Psychology, University of Barcelona, Barcelona, Spain

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MSK. Performed the experiments: MSK. Analyzed the data: MSK. Contributed reagents/materials/analysis tools: MSK. Wrote the paper: MSK.