A revisit to interactions of stimulus quality and semantic context on N400 in visual word recognition.

IF 1.6 4区医学 Q4 NEUROSCIENCES

Neuroreport Pub Date : 2024-11-06 Epub Date: 2024-09-25 DOI:10.1097/WNR.0000000000002095

Rongmin Xiong, Yong Zhang, Wenyi Hu, Shixue Zhu, Zhongxuan Huang, Quanhong Wang

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引用次数: 0

Abstract

Much behavioral research has revealed interactive effects between stimulus quality and semantic priming in visual word recognition, practically in favor of the interactive activation model. However, the limited number of event-related brain potential (ERP) studies have yielded inconsistent results considering this interaction's impact on N400 amplitude. The current ERP study aimed to examine whether the joint effects of stimulus quality and semantic priming were specific to the lexical decision task. We used both behavioral measures and ERP recordings to evaluate the joint effects of stimulus degradation (i.e. highly vs. slightly degraded) and semantic priming (i.e. semantically related vs. unrelated) in a lexical decision task involving visual recognition of Chinese characters. The results showed significant degradation-by-priming interactions on response times and N400 amplitude ( P < 0.05), with larger semantic priming effects on slightly degraded targets. These converging behavioral and electrophysiological findings provide evidence in accordance with the interactive activation models of visual word recognition, in which the early-stage visual processing (i.e. degradation) cascades into the later-stage semantic processing (i.e. priming), thus yielding interactions observed in N400 amplitude.

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重新审视刺激质量和语义语境对视觉单词识别 N400 的交互作用。

许多行为学研究揭示了视觉单词识别中刺激质量和语义引物之间的互动效应，实际上有利于互动激活模型。然而，数量有限的事件相关脑电位（ERP）研究在考虑这种交互作用对 N400 振幅的影响时却得出了不一致的结果。目前的ERP研究旨在考察刺激质量和语义引物的联合效应是否是词汇决策任务所特有的。在一项涉及汉字视觉识别的词汇决策任务中，我们使用了行为测量和ERP记录来评估刺激降级（即高度降级与轻度降级）和语义引物（即语义相关与语义无关）的联合效应。结果显示，降级和语义引物对反应时间和 N400 波幅有明显的交互作用（P

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来源期刊

Neuroreport 医学-神经科学

CiteScore

3.20

自引率

0.00%

发文量

150

审稿时长

1 months

期刊介绍： NeuroReport is a channel for rapid communication of new findings in neuroscience. It is a forum for the publication of short but complete reports of important studies that require very fast publication. Papers are accepted on the basis of the novelty of their finding, on their significance for neuroscience and on a clear need for rapid publication. Preliminary communications are not suitable for the Journal. Submitted articles undergo a preliminary review by the editor. Some articles may be returned to authors without further consideration. Those being considered for publication will undergo further assessment and peer-review by the editors and those invited to do so from a reviewer pool. The core interest of the Journal is on studies that cast light on how the brain (and the whole of the nervous system) works. We aim to give authors a decision on their submission within 2-5 weeks, and all accepted articles appear in the next issue to press.