The design features of pictorial face design for facilitating exertion perception

Abstract

The purpose of this study is to determine how many of face features and their combinations could be better comprehensive for different level of physical exertion. Thirty-four healthy volunteers, including 18 males and 16 females were recruited from a university population to participate in the study. There were four types of stimuli outline faces including one holistic condition and three partial face conditions were examined. The sequence of displaying the four types of stimuli faces was from single feature to multi-feature, the order was mouth only condition, eyebrows with eyes condition, eyebrows with mouth condition, and holistic face condition. The main finding of this study is that the different combination of face feature stimuli would influence on perceiving the facial expression of effort. If the key features of facial expression were shown no matter other features were reduction, participants could still correctly understand the information.