About the Authors

Umar Toseeb

umtoseeb@bradford.ac.uk

Affiliations Bradford School of Optometry and Vision Science, University of Bradford, West Yorkshire, United Kingdom, Division of Psychology, University of Bradford, West Yorkshire, United Kingdom

David R. T. Keeble

Affiliations Bradford School of Optometry and Vision Science, University of Bradford, West Yorkshire, United Kingdom, Division of Psychology, University of Bradford, West Yorkshire, United Kingdom

Eleanor J. Bryant

Affiliation Division of Psychology, University of Bradford, West Yorkshire, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: UT DRTK. Performed the experiments: UT. Analyzed the data: UT EJB DRTK. Wrote the paper: UT DRTK.