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本文研究当封闭性作为被试分辨的图形性质时，空间位置不确定性和视野位置对大范围优先性有何影响。实验发现：（１）无论复合刺激呈现在视野的中央或外周．分辨复合刺激的整体性质的反应时（ＲＴ）比分辨局部性质的ＲＴ短，整体性质对分辨局部性质的反应有较强的干扰作用。相反，局部性质对分辨整体性质的反应的影响较小；（２）刺激位置的不确定对大范围优先性没有显著影响；（３）与周边刺激相比，分辨视野中央的复合刺激的ＲＴ较短，但整体性质的ＲＴ优势和对局部性质的干扰作用，不受刺激在视野中的位置的影响。这些实验结果揭示了封闭性知觉在大范围优先性中的特殊性。
In this paper, we study the influence of spatial location uncertainty and visual field location on the large-scale priority when occlusion is considered as the graphical property of subjects. Experiments found that: (1) regardless of compound stimuli present in the central or peripheral vision. The response time (RT) of resolving the global nature of compound stimuli is shorter than the RT of distinguishing local properties, and the global property has a strong interference effect on the resolution of local properties. On the contrary, the local property has less influence on the response to distinguish the overall nature; (2) The uncertainty of the stimulus position has no significant effect on the large-area priority; (3) Compared with the peripheral stimulus, the RT of compound stimulus The short but monolithic nature of the RT advantage and its disruptive effect on the local properties are unaffected by the stimulus’s position in the field of vision. These experimental results reveal the particularity of closed perception in a wide range of priorities.