抄録
This study is to clarify the factor of “Kansei” in operation of human interface systems. “Kansei” includes conscious aspect and unconscious aspect. Physiological responses are necessary to evaluate unconscious aspect. In this paper, “sakusaku” feeling at car navigation operation is measured. Relationship between subjective evaluation and, Electrocardiograph measurement and Near Infra- Red Spectroscopy measurement is investigated. Experimental data shows that physiological responses are effective to evaluate unconscious aspect.