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首页> 外文期刊>Psychological research >Unique sudden onsets capture attention even when observers are in feature-search mode
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Unique sudden onsets capture attention even when observers are in feature-search mode

机译：即使观察者处于特征搜索模式，独特的突然发作也能引起注意

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摘要

Two sources of attentional capture have been proposed: stimulus-driven (exogenous) and goal-oriented (endogenous). A resolution between these modes of capture has not been straightforward. Even such a clearly exogenous event as the sudden onset of a stimulus can be said to capture attention endogenously if observers operate in singleton-detection mode rather than feature-search mode. In four experiments we show that a unique sudden onset captures attention even when observers are in feature-search mode. The displays were rapid serial visual presentation (RSVP) streams of differently coloured letters with the target letter defined by a specific colour. Distractors were four #s, one of the target colour, surrounding one of the non-target letters. Capture was substantially reduced when the onset of the distractor array was not unique because it was preceded by other sets of four grey # arrays in the RSVP stream. This provides unambiguous evidence that attention can be captured both exogenously and endogenously within a single task.
机译：已经提出了注意力吸引的两个来源：刺激驱动的（外生的）和目标导向的（内生的）。这些捕获模式之间的解决方案并非一帆风顺。如果观察者以单例检测模式而不是特征搜索模式进行操作，那么即使是像刺激突然发作这样的明显外源事件也可以说是内源性地吸引注意力。在四个实验中，我们证明了即使观察者处于特征搜索模式，独特的突然发作也能引起人们的注意。显示器是不同颜色字母的快速串行视觉呈现（RSVP）流，目标字母由特定颜色定义。干扰项是四个＃，目标颜色之一，围绕非目标字母之一。当分散器阵列的起始点不唯一时，捕获会大大减少，因为在RSVP流中，它之前是其他四个灰色＃阵列的集合。这提供了明确的证据，即可以在单个任务中内生和内生地吸引注意力。

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