About the Authors

Keisuke Ota

Affiliation Brain Science Institute, RIKEN, Wako-shi, Saitama, Japan

Toshiaki Omori

Affiliation Department of Electrical and Electronic Engineering, Kobe University, Kobe-shi, Hyogo, Japan

Hiroyoshi Miyakawa

Affiliation School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, Japan

Masato Okada

Affiliations Brain Science Institute, RIKEN, Wako-shi, Saitama, Japan, Department of Complexity Science and Engineering, The University of Tokyo, Kashiwa-shi, Chiba, Japan

Toru Aonishi

aonishi@dis.titech.ac.jp

Affiliation Department of Computational Intelligence and Systems Science, Tokyo Institute of Technology, Yokohama-shi, Kanagawa, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KO TA. Performed the experiments: KO. Analyzed the data: KO. Contributed reagents/materials/analysis tools: HM. Wrote the paper: KO TO MO TA.