About the Authors

Yoshi-Taka Matsuda

matsuda@brain.riken.jp (Y-TM); myowa@educ.kyoto-u.ac.jp (MM-Y)

Affiliations Okanoya Emotional Information Project, Exploratory Research for Advanced Technology (ERATO), Japan Science and Technology Agency (JST), Saitama, Japan, Emotional Information Joint Research Laboratory, RIKEN Brain Science Institute, Saitama, Japan, Center for Baby Science, Doshisha University, Kyoto, Japan

Kazuo Okanoya

Affiliations Okanoya Emotional Information Project, Exploratory Research for Advanced Technology (ERATO), Japan Science and Technology Agency (JST), Saitama, Japan, Emotional Information Joint Research Laboratory, RIKEN Brain Science Institute, Saitama, Japan, Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan

Masako Myowa-Yamakoshi

matsuda@brain.riken.jp (Y-TM); myowa@educ.kyoto-u.ac.jp (MM-Y)

Affiliations Okanoya Emotional Information Project, Exploratory Research for Advanced Technology (ERATO), Japan Science and Technology Agency (JST), Saitama, Japan, Graduate School of Education, Kyoto University, Kyoto, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YM KO MMY. Performed the experiments: YM. Analyzed the data: YM. Contributed reagents/materials/analysis tools: YM. Wrote the paper: YM.