About the Authors

Andrew J. Schofield

a.j.schofield@bham.ac.uk

Affiliation School of Psychology, University of Birmingham, Edgbaston, Birmingham, United Kingdom

Frederick A. A. Kingdom

Affiliation McGill Vision Research, McGill University, Department of Ophthalmology, McGill University, Montreal, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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