About the Authors

Hiroshi Okamoto

hiroshi.okamoto@fujixerox.co.jp (HO); tfukai@brain.riken.jp (TF)

Affiliations Laboratory for Neural Circuit Theory, RIKEN Brain Science Institute, Wako, Saitama, Japan, Corporate Research & Technology Development Group, Fuji Xerox, Ashigarakami-gun, Kanagawa, Japan

Tomoki Fukai

hiroshi.okamoto@fujixerox.co.jp (HO); tfukai@brain.riken.jp (TF)

Affiliations Laboratory for Neural Circuit Theory, RIKEN Brain Science Institute, Wako, Saitama, Japan, Department of Complexity Science and Engineering, University of Tokyo, Kashiwa, Chiba, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HO TF. Performed the experiments: HO. Analyzed the data: HO. Wrote the paper: TF.