About the Authors

Richard P. Berry

Affiliation ARC Centre of Excellence in Vision Science, Division of Biomedical Science and Biochemistry, School of Biology, Australian National University, Canberra, Australian Capital Territory, Australia

Michael R. Ibbotson

Michael.Ibbotson@anu.edu.au

Affiliation ARC Centre of Excellence in Vision Science, Division of Biomedical Science and Biochemistry, School of Biology, Australian National University, Canberra, Australian Capital Territory, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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