Influence of Position and Number of Face Stimuli in Gaze Cueing Effect

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  • 凝視キューイング効果における顔刺激の位置と数の影響(顔とコミュニケーション(フォーラム顔学2009共済オーガナイズドセッション))

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An uninformative cue by a centrally-presented face gazing to one-location can trigger reflexive shifts of attention toward the location gazed at. In this gaze-cueing paradigm, the variation of face stimuli providing the gaze cue can influence the amount of cueing effect. Therefore, the present study is concerned with the influence of position and number of face stimuli on the gaze cueing effect. The position of the face stimulus was shifted vertically or horizontally from a fixation point; and the number of the face stimuli was varied to provide one, two, or four gaze cues. The results show that when the face stimuli were placed horizontally, the gaze cueing effect was impaired when the direction of the position shift of the face stimulus matched to the gaze direction (e.g., a left face with a left gaze), and was enhanced when the direction was opposed to the gaze direction (e.g., a left face with a right gaze). The results also show that when presenting four faces with three-versus-one gaze directions simultaneously, the faces located along gaze-axis had greater contributions to the gaze cueing effect than the rest of faces. On the contrary, when only considering the influence of face number, increment of the number of faces had no significant influence on gaze cueing effect. The results presented here support the hypothesis that position of the face stimulus modulates gaze-evoked attention orienting, but number of the face stimuli does not.

Journal

  • ITE Technical Report

    ITE Technical Report 33.46 (0), 13-18, 2009

    The Institute of Image Information and Television Engineers

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