Semantic similarity promotes interference in the continuous naming paradigm: behavioural and electrophysiological evidence

Semantic similarity promotes interference in the continuous naming paradigm: behavioural and electrophysiological evidence
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语义相似性促进了连续命名范式的干扰:行为和电生理学证据

DOI:
10.1080/23273798.2016.1212081
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发表时间:
2016
期刊:
Language, Cognition and Neuroscience
影响因子:
--
通讯作者:
Abdel Rahman
Abdel Rahman
中科院分区:
--
文献类型:
--
作者:
Abdel Rahman

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采用反应时和事件相关电位研究了连续命名范式中的类别内语义距离效应。累积的语义干扰和ERP效应,观察到只有密切相关的成员的基本水平类别具有高功能重叠(如类人猿:猩猩,黑猩猩),表明共享广泛的语义类别成员(如动物:猩猩,驴)没有相当大的语义特征重叠是不足以引起语义干扰。ERP调制的特点是在约100-150 ms的增强P1,这可能反映了早期的视觉概念特征信息的共同激活,以及在约250 ms开始的相对后正性与RT呈正相关,反映了词汇选择。  此外,观察到450和600毫秒之间的后负性,并与语义词汇校准过程。 这些研究结果表明,早期的概念和词汇位点的语义干扰,并强调聚合激活传播的重要性,在言语规划过程中触发共享的语义特征。
We investigated within-category semantic distance effects in the continuous naming paradigm with reaction times (RTs) and event-related potentials (ERPs). Cumulative semantic interference and ERP effects were observed only for closely related members of basic level categories with high feature overlap (e.g. apes: orangutan, chimpanzee), indicating that shared broad semantic category membership (e.g. animals: orangutan, donkey) without considerable semantic feature overlap is insufficient to induce semantic interference. ERP modulations were characterised by an enhanced P1 at about 100–150 ms, that may reflect early co-activation of visual-conceptual feature information, and a relative posterior positivity starting at about 250 ms that was positively correlated with RTs, reflecting lexical selection. Furthermore, a posterior negativity between 450 and 600 ms was observed and associated with semantic-lexical calibration processes. These findings suggest early conceptual and lexical loci of semantic interference and underline the importance of converging activation spread triggered by shared semantic features during speech planning.
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