Priming of pop-out modulates attentional target selection in visual search: behavioural and electrophysiological evidence.

Priming of pop-out modulates attentional target selection in visual search: behavioural and electrophysiological evidence.
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DOI:
10.1016/j.visres.2009.11.001
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发表时间:
2010-06-25
期刊:
影响因子:
1.8
通讯作者:
Cheung, Theodore
Cheung, Theodore
中科院分区:
心理学3区
文献类型:
--
作者:
Eimer, Martin;Kiss, Monika;Cheung, Theodore

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之前的行为研究表明,在试验中重复目标或干扰物特征会加速弹出视觉搜索。我们获得了行为和事件相关的脑电位(ERP)的措施,在两个实验中,参与者寻找一个颜色单一的目标之间均匀的彩色干扰。ERP标记的空间选择性注意(N2 PC组件)被延迟时,无论是目标或分心物的颜色交换在连续的试验,表明试验间的功能启动系统地影响发病的集中注意力的目标处理。结果支持这一假设,即启动弹出效应主要产生在早期的知觉/注意阶段的视觉处理。
Previous behavioural studies have shown that the repetition of target or distractor features across trials speeds pop-out visual search. We obtained behavioural and event-related brain potential (ERP) measures in two experiments where participants searched for a colour singleton target among homogeneously coloured distractors. An ERP marker of spatially selective attention (N2pc component) was delayed when either target or distractor colours were swapped across successive trials, demonstrating that intertrial feature priming systematically affects the onset of focal-attentional target processing. Results support the hypothesis that priming of pop-out effects are primarily generated at early perceptual/attentional stages of visual processing.
DOI: 10.1016/j.visres.2007.10.009
发表时间: 2008-01-01
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影响因子: 1.8
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