1. Graduate School of EngineeringNagoya University Chikusa‐ku Nagoya Japan
2. Graduate School of Information ScienceNagoya University Chikusa‐ku Nagoya Japan
3. Division of Cerebral IntegrationNational Institute for Physiological Sciences Okazaki Japan
4. The Graduate University for Advanced Studies Hayama Japan
5. Kao Corporation Odawara Kanagawa Japan
6. Shizuoka institute of Science and Technology Fukuroi Shizuoka Japan
7. ATR Brain Activity Imaging Center Seika‐cho Japan
8. Division of Psychology, School of Social SciencesNanyang Technological University Singapore