About the Authors

Daniel Goldreich

To whom correspondence should be addressed. E-mail: goldrd@mcmaster.ca

Affiliation Department of Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, Ontario, Canada

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DG. Performed the experiments: DG. Analyzed the data: DG. Wrote the paper: DG.