The mechanisms how it is output will be explained by making internal model on assumption that the human emotional expression is one of the signs of mutual communication.
Human facial muscles are considered to be innervated antagonistically or cooperatively, as the result of electro-myographic studies.
Thereby, a dybamic model is made and named “Octahedron of emotional expression” (Fig. 6)
Therefore, the human emotional expression would be considered that it is a physical variety on a face momentaly, by means of the function of static and dynamic parts on muscles each other relatively, as a sign which will be recognized as an emotional pattern.
View full abstract