Concreteness in emotional words: ERP evidence from a hemifield study
Concreteness in emotional words: ERP evidence from a hemifield study
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DOI：
10.1016/j.brainres.2007.02.044
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发表时间：
2007-05-07
期刊：
影响因子：
2.9
通讯作者：
Kotz, Sonja A.
中科院分区：
文献类型：
--
作者：
Kanske, Philipp;Kotz, Sonja A.
本研究采用事件相关电位（ERP）技术，通过两个实验考察了具体性和情绪性对视觉文字加工的影响。在半场词汇判断任务中，呈现了负、中性或正效价的具体和抽象词以及假词。实验1产生了早期（P2）和晚期（N400，晚期阳性成分/LPC）情绪词的影响。具体影响N400和LPC。与扩展的双重编码模型和以前的研究，N400效应代表更大的语义激活，而LPC效应可能是由于心理意象被激活的具体的话。实验2参与者在一个去/不去的任务按下一个按钮的pseudowords。在这里，情感性和具体性独立地调制N400，但在LPC时间窗口中相互作用。只有具体的情感词在LPC反应中不同，这表明具体的消极词如“伤口”或“炸弹”不同于中性和积极词作为心理意象的函数。(c)2007 Elsevier B. V.保留所有权利。
Event-related potentials (ERP) were recorded in two experiments to examine the effects of concreteness and emotionality on visual word processing. Concrete and abstract words of negative, neutral or positive valence, as well as pseudowords were presented in a hemifield lexical decision task. Experiment 1 yielded early (P2) and late (N400, late positive component/LPC) emotional word effects. Concreteness affected the N400 and the LPC. In line with the extended dual coding model and with previous studies, the N400 effect represents greater semantic activation, whereas the LPC effect may result from mental imagery being activated by concrete words. Experiment 2 engaged participants in a go/no-go task pressing a button for pseudowords. Here, emotionality and concreteness modulated the N400 independently, but interacted in the LPC time window. only concrete emotional words differed in the LPC response suggesting that concrete negative words such as "wound" or "bomb" differ from neutral and positive words as a function of mental imagery. (c) 2007 Elsevier B.V. All rights reserved.