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題 名 | Perceptual Organization in a Brief Glance: The Effects of Figure Size, Figure Location, and the Attentional Focus=瞬間一瞥中的知覺組織:圖形大小、位置及注意力的影響 |
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作 者 | 襲充文; | 書刊名 | 中華心理學刊 |
卷 期 | 34 1992[民81.] |
頁 次 | 頁57-74 |
分類號 | 176.1 |
關鍵詞 | 知覺組織; 注意力; |
語 文 | 英文(English) |
中文摘要 | 在本研究中受試者判斷三種不同大小的可能及不可能圖形之可能性與描繪深度。受試者分別在大小混合呈現及大小區間呈現的情況下觀察刺激圖形;這些呈視方式是爲了操弄注意力的大小。不可能圖形共有兩類,一類是上下的角是從不同的觀點所描繪,另一類則是四個角中的一個角其描繪的觀點與其他三個角不同。不一致的角之網膜呈現位置也有變化。本研究得到三項主要的結果:第一,描繪深度與圖形可能性二者並非完全重疊的變項,因此知覺理論應確定其所欲測的刺激層面;第二,當注意力因應處理大的圖形而做調整時,萃取小的圖形中關乎可能性與描繪深度之結構訊息會受到阻礙。因此,物體知覺是會受到注意力範圍內處理資源多寡的影響。第三,被用來做判斷的訊息並非整個物體的訊息。這些發現對知覺組織的整體及局部理論的意涵亦在文中加以討論。 |
英文摘要 | Observers judged both the possibility and amount of depicted depth in briefly exposed possible and impossible figures of three sizes—large, medium, and small. Observers viewed these figures in one of two presentation conditions (either intermixed or blocked by size) that were designed to manipulate the width of attentional focus. Two types of impossible figures were used, one in which the top and bottom corner were depicted from inconsistent viewpoints, another in which only one of the four corners was inconsistent with the other three. The retinal locus of the inconsistent corners was varied. Three major findings were obtained. First, estimated depth and apparent possibility were not completely overlapping variables; hence, theories must be specific about the perceived variables which they intend to predict. Second, the extraction of structural details signaling both possibility and depth was disrupted for small figures when the attentional focus was tailored for larger figures. Thus, object perception can be affected by the amount of processing resources within the attentional focus. Third, object-wide information was not utilized for either type of judgment. Implications for global and local theories of perceptual organization are discussed. |
本系統中英文摘要資訊取自各篇刊載內容。