视觉工作记忆中回溯线索效应的主动抑制:来自事件相关电位的证据。

IF 2.4 4区 心理学 Q2 PSYCHOLOGY, EXPERIMENTAL
Chao Gao, Qi Zhang, Xiaoxiao Zhang
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引用次数: 0

摘要

本研究采用事件相关电位(ERP)技术,利用改进后的回溯线索任务考察了视觉工作记忆中是否存在主动抑制回溯线索效应(RCE)。在这个修改后的任务中,参与者首先被要求记忆六个色块,然后向他们提供定向记忆或定向遗忘线索;最后,测试他们的工作记忆表现。对于行为结果,由于记忆间隔的延长,本研究没有发现RCE在准确性上,但反映在总反应时间上。在ERP结果中,定向遗忘条件下的额叶后期正电位(LPP)大于定向记忆和基线条件下的LPP,定向记忆和基线条件下的LPP无显著性差异。顶叶P3在定向记忆和定向遗忘条件下均无显著性差异,且显著大于基线条件。结果表明,主动抑制在定向遗忘RCE中起重要作用。定向遗忘条件下,顶叶P3和额叶LPP在相同的时间窗但不同的头皮区域存在相关性,表明定向遗忘RCE中主动抑制与复述之间存在潜在的关系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Active inhibition of the retro-cue effect in visual working memory: Evidence from event-related potential.

This study used the event-related potential (ERP) technique to investigate whether active inhibition exists in retro-cue Effect (RCE) in visual working memory using modified retro-cue tasks. In this modified task, the participants were first asked to memorize six color blocks and then presented with directed remembering or directed forgetting cues; finally, their working memory performance was tested. For behavioral results, due to the extension of the memory interval, this study did not find RCE in accuracy but reflected it in the total reaction time. For ERP results, the frontal late positive potential (LPP) followed by the directed forgetting condition was larger than that followed by directed remembering and baseline conditions, and there was no significant difference between directed remembering and baseline conditions. There was no significant difference in parietal P3 followed by both the directed remembering and directed forgetting conditions, which were significantly larger than the baseline condition. This result reveals that active inhibition plays an important role in directed forgetting RCE. There was a correlation between parietal P3 and frontal LPP with the same time window but different scalp regions in the directed forgetting condition, indicating a potential relationship between active inhibition and retelling in directed forgetting RCE.

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来源期刊
I-Perception
I-Perception PSYCHOLOGY, EXPERIMENTAL-
CiteScore
4.30
自引率
5.30%
发文量
39
审稿时长
12 weeks
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