About the Authors

Kazuhiro Goto

kgoto@psy.flet.keio.ac.jp

Current address: Human Brain Research Center, Kyoto University, Kyoto, Japan

Affiliations Japan Society for the Promotion of Science, Tokyo, Japan, Faculty of Letters, Department of Psychology, Keio University, Tokyo, Japan

Ryo Kurashima

Affiliation Faculty of Letters, Department of Psychology, Keio University, Tokyo, Japan

Hayato Gokan

Affiliation Faculty of Letters, Department of Psychology, Keio University, Tokyo, Japan

Naomi Inoue

Affiliation Faculty of Letters, Department of Psychology, Keio University, Tokyo, Japan

Isao Ito

Affiliation Faculty of Sciences, Department of Biology, Kyushu University, Fukuoka, Japan

Shigeru Watanabe

Affiliation Faculty of Letters, Department of Psychology, Keio University, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KG RK SW. Performed the experiments: KG RK HG NI. Analyzed the data: KG. Contributed reagents/materials/analysis tools: II SW. Wrote the paper: KG II SW.