表情による精神状態のコントロール 表情と筋電

Abstract

A human being laughs in every day life when happy, and a facial expression changes unconsciously. It is thought that the facial expression has close relation to feelings and Kansei. The facial expression is more intelligibly than the expression by word, and can convey a delicate nuance when introducing feelings. Intention communication with a different foreigner is possible by a facial expression and a gesture. In this way, the role that a facial expression serves as by communication is very big. The aim of this study is to control a mind state by the intentionally modified facial expression. The final aim is the application to a field of the medical welfare. In this study, measuring the behavior of each muscle of a face using electromyogram in order to evaluate the expression quantitatively elucidates the mechanism of a facial expression. Six facial expressions is paid attention. When a human being made a facial expression intentionally, it is thought that a mind state changes by the facial expression. For example, it is said that a mind state is stable unconsciously when making a smile intentionally. On the other hand, it is thought that a mind state becomes unstable when a partner makes a facial expression of anger. In this way it is thought that a mind state is closely related to a facial expression, but there are many subjects that have not been elucidated. So the relation of a facial expression and a mind state is cleared from bio-information such as electromyogram or brain waves as an engineering approach and will be applied to the medical welfare.