1. Ohkura, M.: Interface for human-machine interaction. Trends Sci. 10(8), 765–781 (2005)
2. Ministry of Economy, Trade and Industry. Kansei Value Creation, https://www.meti.go.jp/policy/mono/creative/kensei.html. Accessed 30 Jan 2021
3. Ohkura, M., Hamano, M., Watanabe, H., Aoto, T.: Measurement of “wakuwaku” feeling generated by interactive systems using biological signals. In: Proceedings of the Kansei Engineering and Emotion Research International Conference 2010 (KEER 2010), pp. 2293–2301. Paris (2010)
4. Hirao, N., et al.: Assessment of mental stress during a cooperative work using stress detection method triggered by physiological data. ITE Tech. Rep. 21, 67–72 (1997)
5. Sakaguchi, T., et al.: Stress detection in a virtual ensemble using autonomic indices. In: Proceedings of the 59th National Convention of IPSJ, pp. 2–1–2–2 (1999)