About the Authors

Yuichi Yamashita

Current address: JST, ERATO, Okanoya Emotional Information Project, Wako, Saitama, Japan

Jun Tani

tani1216jp@gmail.com

Current address: Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Yuseong-gu, Daejeon, Republic of Korea

Affiliation Laboratory for Behavior and Dynamic Cognition, RIKEN Brain Science Institute, Wako, Saitama, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YY JT. Performed the experiments: YY. Analyzed the data: YY. Wrote the paper: YY JT.