注意眨眼时抑制的早期知觉位置。

IF 3.7 1区 心理学 Q1 PSYCHOLOGY, EXPERIMENTAL
Song Zhao, Jimei Xie, Mengdie Zhai, Yuxin Zhou, Fangfang Ma, Chengzhi Feng, Wenfeng Feng
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引用次数: 0

摘要

注意力眨眼(AB)表明,当两个目标(T1 和 T2)在快速序列视觉呈现(RSVP)流中接连出现时,识别其中第二个目标是很困难的。人们普遍认为,AB 是在感知后阶段对 T2 处理的抑制。目前的事件相关电位研究更新了这一观点,证明了 AB 期间存在早期知觉抑制。在实验1中,我们使用现实生活中物体的线图作为RSVP项目,要求参与者辨别物体的确切身份或简单地将物体分类为T1和T2;在实验2中,我们要求参与者辨别T1和T2的身份(双目标任务)或仅辨别T2的身份(单目标任务),以推翻作为替代解释的时间预期。实验 1 和实验 2 的结果表明,只要是双目标任务,而不是单目标任务,T2-诱发的第一个正峰(P1)成分在滞后 3 阶段都会持续下降,并且 P1 抑制的幅度对每个双目标任务中行为 AB 的幅度都有显著的预测作用。在实验 3 中,当用经典但大小匹配的字母数字字符代替 RSVP 项目时,没有出现预期的 P1 抑制,这就排除了大刺激尺寸作为替代解释的可能性。这些发现提供了迄今为止最有力的证据,证明 AB 可以在很早的知觉阶段就开始抑制 T2 处理,至少在观察者遇到现实生活中物体的 RSVP 项目时是这样,这就要求为 AB 建立更灵活的认知模型。(PsycInfo Database Record (c) 2024 APA, all rights reserved)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Early perceptual locus of suppression during the attentional blink.

The attentional blink (AB) demonstrates that recognizing the second of two targets (T1 and T2) is difficult when they appear in close succession in a rapid serial visual presentation (RSVP) stream. The AB has been widely accepted as a suppression of T2 processing at the postperceptual stage. The current event-related potential study updates this view by demonstrating the existence of an early perceptual locus of suppression during the AB. Using line drawings of real-life objects as RSVP items, we required participants in Experiment 1 to either discriminate the exact identities or simply classify the object categories of T1 and T2, and in Experiment 2, we instructed participants to discriminate either T1 and T2 identities (dual-target task) or only T2 identity (single-target task) to invalidate the temporal expectation as an alternative account. The results of Experiments 1 and 2 showed that the T2-elicited first positive peak (P1) component was consistently decreased at Lag 3 whenever a dual-target, but not single-target, task was required, and the magnitude of this P1 suppression was significantly predictive of the behavioral AB magnitude in each dual-target task. When the RSVP items were substituted by classic but size-matched alphanumeric characters in Experiment 3, no P1 suppression was evident as expected, ruling out the large stimulus size as an alternative interpretation. These findings provide the strongest evidence to date that the AB can begin to suppress T2 processing at a very early perceptual stage, at least when observers encounter RSVP items of real-life objects, which calls for more flexible cognitive models for the AB. (PsycInfo Database Record (c) 2024 APA, all rights reserved).

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来源期刊
CiteScore
6.20
自引率
4.90%
发文量
300
期刊介绍: The Journal of Experimental Psychology: General publishes articles describing empirical work that bridges the traditional interests of two or more communities of psychology. The work may touch on issues dealt with in JEP: Learning, Memory, and Cognition, JEP: Human Perception and Performance, JEP: Animal Behavior Processes, or JEP: Applied, but may also concern issues in other subdisciplines of psychology, including social processes, developmental processes, psychopathology, neuroscience, or computational modeling. Articles in JEP: General may be longer than the usual journal publication if necessary, but shorter articles that bridge subdisciplines will also be considered.
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