注视-西蒙效应的空间编码机制

心理科学 ›› 2012, Vol. 35 ›› Issue (2): 304-308.

注视-西蒙效应的空间编码机制

赵亚军¹,张智君²,刘炜²

1. 浙江大学理学院心理与行为科学系
2. 浙江大学

收稿日期:2010-07-17 修回日期:2011-09-06 出版日期:2012-03-20 发布日期:2012-03-20
通讯作者: 张智君
基金资助:
浙江省自然科学基金：基于言语的脑-机交互技术研究

The Spatial Coding Mechanisms of Gaze-Direction Simon Effect

Received:2010-07-17 Revised:2011-09-06 Online:2012-03-20 Published:2012-03-20

摘要/Abstract

摘要： 采用注视-西蒙范式探讨了注视方向知觉的空间编码机制。实验一让被试采用双手交叉的反应方式，发现注视-西蒙效应并不随反应手的交叉而反转，说明它涉及抽象的空间方向编码，而非基于以手为参照系的半侧优势效应。实验二采用纯音音调辨别任务，发现了典型的注视-西蒙效应，结合实验一视觉通道的结果，说明注视-西蒙效应并非特异于视觉通道，它可能发生在晚期的反应选择阶段，而非早期的知觉阶段。结果支持注视线索能够自动诱发观察者形成抽象的方向表征的观点。

关键词: 联合注意, 西蒙效应, 注视-西蒙效应, 空间编码

Abstract: As the gaze-direction Simon effect (GSE) showed, although completely irrelevant to the task, direction of gaze influenced reaction times in a spatially selective two-choice discrimination based on eye color. Two experiments were conducted to investigate the spatial coding mechanisms of gaze Simon effect. In Experiment 1, subjects performed a color judgment Simon task with their hands crossed. The result showed that there was no a reversal of the direction of the GSE, thereby suggesting that the GSE operates at a more abstract level of representation of the left and right responses, rather than a hemispheric dominance effect on the basis of a hand-centered frame reference. In Experiment 2, a tone discrimination task was utilized and a regular GSE was found. Combined with the result of Experiment 1, we could speculate that GSE does not occur at the earlier perceptual processing stage. These results provide a strong evidence to support the idea that gaze cue can automatically generate a spatially abstract code.

Key words: joint attention, Simon effect, gaze-direction Simon effect, spatial coding

赵亚军张智君刘炜. 注视-西蒙效应的空间编码机制[J]. 心理科学, 2012, 35(2): 304-308.

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