About the Authors

Shuichiro Taya

Affiliation Department of Human Sciences, Taisho University, Tokyo, Japan

David Windridge

Affiliation Centre for Vision Speech and Signal Processing, University of Surrey, Guildford, United Kingdom

Magda Osman

m.osman@qmul.ac.uk

Affiliations Centre for Vision Speech and Signal Processing, University of Surrey, Guildford, United Kingdom, School of Biological and Chemical Science, Queen Mary College, University of London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ST MO. Performed the experiments: ST. Analyzed the data: ST DW MO. Contributed reagents/materials/analysis tools: ST DW. Wrote the paper: ST MO.