第二部分工作探讨了注意在视觉刺激位置编码中的作用。第三章通过整合双矩形提示程序(Egly, Driver, & Rafal, 1994)的变式与Lupianez和Funes (2005)所使用的空间Stroop任务，设计完成了2个实验，分别考查了注意在视觉刺激位置编码中的作用。实验结果一致表明，空间Stroop效应受基于客体的注意的调节，而不受基于空间的注意的调节。该结果模式可用事件整合假设予以说明，而无法用注意转移或参照编码假设来解释。
The first half of my work investigated whether this automatic decomposition of embedded radicals from the character still occurs when the response task is unrelated to reading by using a different paradigm that incorporates a Stroop-like task in the first chapter or spatial-like task in the second chapter. The results of the first chapter together suggested that in reading complex characters, readers can get automatically access to semantic representations of their embedded radicals, especially for the low frequency characters. The results of the second chapter together suggested that readers can get automatically access to semantic representations of their embedded radicals, even when the response task is irrelevant to reading.
The second half of my work investigated the role of attention in spatial location code of visual Stimuli. In the third chapter, using a modification of double rectangles cueing procedure developed by Egly, Driver and Rafal (1994) and spatial Stroop task employed by Lupianez and Funes (2005), separate effects of spatial attention and object-based attention on the location code of visual stimuli were investigated. Across two experiments, the combined results showed that spatial Stroop effects were modulate by object-based attention, but not by location-based attention. This pattern of results could be well explained by event integration account, but not by attentional shift account and referential coding account.
In the fourth chapter, on the basis of the prior chapter, whether the modulation of attentional cueing on location code occurred at the stage of perceptual identification or response choice was investigated. The findings were that object-based attention modulated spatial Stroop effects and did not modulate the Simon effects, whereas spatial attention did not modulate Stroop and Simon effects. This pattern of results partially replicated the outcome of chapter 3. The previous studies generally argued that the conflicts of spatial Stroop task and Simon task respectively occurred at the stage of perceptual identification and response choice. Therefore, it is likely to conclude that the modulation of attention over spatial Stroop effect was mediated by object-based attention, and this modulation occurred at the stage of perceptual identification.
Considering that the previous studies mostly investigated the effects of attention captured by abrupt onset on the spatial Stroop effects, few studies investigated the effects of attention captured by offset cue on the spatial Stroop effects. The fifth chapter investigated the role of attention induced by offset and abrupt onset cue in the spatial Stroop task. These results showed that attention elicited by offset cue or abrupt onset cue modulated the spatial Stroop effects, which reconciled with event integration account.
|Keyword||部件 语义加工 汉字 Stroop 注意|
|罗春明. 汉字部件的语义加工及注意对位置编码的影响[R]. 北京,2011.|
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