About the Authors

Yutaka Fuchino

yfuchino@tmu.ac.jp

Affiliations Japan Science Technology Agency, Exploratory Research for Advanced Technology (ERATO), Okanoya Emotional Information Project, Honcho, Kawaguchi, Saitama, Japan, Graduate School of Education, Kyoto University, Yoshida-Honmachi, Sakyo, Kyoto, Japan

Nozomi Naoi

Affiliations Japan Science Technology Agency, Exploratory Research for Advanced Technology (ERATO), Okanoya Emotional Information Project, Honcho, Kawaguchi, Saitama, Japan, Graduate School of Education, Kyoto University, Yoshida-Honmachi, Sakyo, Kyoto, Japan

Minoru Shibata

Affiliations Japan Science Technology Agency, Exploratory Research for Advanced Technology (ERATO), Okanoya Emotional Information Project, Honcho, Kawaguchi, Saitama, Japan, Graduate School of Medicine, Kyoto University, Kawaharacho, Shogoin, Sakyo, Kyoto, Japan

Fusako Niwa

Affiliations Japan Science Technology Agency, Exploratory Research for Advanced Technology (ERATO), Okanoya Emotional Information Project, Honcho, Kawaguchi, Saitama, Japan, Graduate School of Medicine, Kyoto University, Kawaharacho, Shogoin, Sakyo, Kyoto, Japan

Masahiko Kawai

Affiliation Graduate School of Medicine, Kyoto University, Kawaharacho, Shogoin, Sakyo, Kyoto, Japan

Yukuo Konishi

Affiliation Center for Baby Science, Doshisha University, Kizugawa, Kyoto, Japan

Kazuo Okanoya

Affiliations Japan Science Technology Agency, Exploratory Research for Advanced Technology (ERATO), Okanoya Emotional Information Project, Honcho, Kawaguchi, Saitama, Japan, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo, Japan, RIKEN Brain Science Institute, Wako, Saitama, Japan

Masako Myowa-Yamakoshi

Affiliations Japan Science Technology Agency, Exploratory Research for Advanced Technology (ERATO), Okanoya Emotional Information Project, Honcho, Kawaguchi, Saitama, Japan, Graduate School of Education, Kyoto University, Yoshida-Honmachi, Sakyo, Kyoto, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YF. Performed the experiments: YF NN MS FN. Analyzed the data: YF. Contributed reagents/materials/analysis tools: YF MS FN YK. Wrote the paper: YF NN MS MK KO MMY.