About the Authors

Peter Dayan

Affiliation Gatsby Computational Neuroscience Unit, University College London, London, United Kingdom

Quentin J. M Huys

To whom correspondence should be addressed. E-mail: qhuys@cantab.net

Affiliations Gatsby Computational Neuroscience Unit, University College London, London, United Kingdom , Center for Theoretical Neuroscience, Columbia University, New York, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

PD and QJMH conceived and designed the experiments, performed the experiments, analyzed the data, and wrote the paper.