About the Authors

Takeru Honda

Contributed equally to this work with: Takeru Honda, Tadashi Yamazaki

Affiliations Department of Information and Communication Engineering, Graduate School of Electro-Communications, The University of Electro-Communications, Chofu-shi, Tokyo, Japan, Laboratory for Motor Learning Control, RIKEN Brain Science Institute, Wako-shi, Saitama, Japan

Tadashi Yamazaki

Contributed equally to this work with: Takeru Honda, Tadashi Yamazaki

Affiliation Strategic Planning Unit, RIKEN BSI-TOYOTA Collaboration Center, RIKEN Brain Science Institute, Wako-shi, Saitama, Japan

Shigeru Tanaka

Affiliation Department of Informatics, Graduate School of Informatics and Engineering, The University of Electro-Communications, Chofu-shi, Tokyo, Japan

Soichi Nagao

Affiliation Laboratory for Motor Learning Control, RIKEN Brain Science Institute, Wako-shi, Saitama, Japan

Tetsuro Nishino

nishino@ice.uec.ac.jp

Affiliation Department of Informatics, Graduate School of Informatics and Engineering, The University of Electro-Communications, Chofu-shi, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TH TY. Performed the experiments: TH. Analyzed the data: TH. Contributed reagents/materials/analysis tools: TY ST SN TN. Wrote the paper: TH TY ST.