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Previous research has found that when gaze direction matches the underlying behavioral intent communicated by the expression of a specific emotion, it enhances or facilitates the perception of that emotion; this is called the shared signal hypothesis (SSH). Specifically, a direct gaze shares an approach-orientated signal with the emotions of anger and joy, whereas an averted gaze shares an avoidance-orientated signal with fear and sadness. In this research, we attempted to verify the SSH by using different materials on Asian participants. In Experiment 1 we employed photos of models exhibiting direct and averted gazes for rating tasks, in order to study the effects of gaze direction on participants’ perception of emotion. In Experiment 2 we utilized smiling faces in a similar investigation. The results show that for neutral and smiling faces, a direct gaze (relative to a gaze of avoidance) increased the likelihood of a subject perceiving a happy mood; a gaze of avoidance increased the likelihood that anger and fear would be perceived. The effect of gaze direction on emotional expression perception was verified, but a “facilitating-impairing” pattern was not. The difference between our work and previous research may be attributable to the materials employed (which were more ecological), as well as the participants, who were from a different culture.

Emotional Gaze: The Effects of Gaze Direction on the Perception of Facial Emotions