About the Authors

Wendy J. Adams

w.adams@soton.ac.uk

Affiliation Psychology, University of Southampton, Southampton, United Kingdom

James H. Elder

Affiliation Centre for Vision Research, York University, Toronto, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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