About the Authors

Matthias S. Keil, Joan López-Moliner
University of Barcelona, Faculty for Psychology, Basic Psychology Department, Barcelona, Spain

Matthias S. Keil, Joan López-Moliner
Research Institute for Brain, Cognition, and Behavior (IR3C), Campus Mundet, Barcelona, Spain

Corresponding Author


Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MSK JLM. Performed the experiments: MSK JLM. Analyzed the data: MSK. Contributed reagents/materials/analysis tools: MSK. Wrote the paper: MSK. Designed and performed the psychophysical experiment: JLM. Developed the model and performed mathematical analysis: MSK.