词汇表征和概念表征的相互作用:来自脑电图的证据

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS
Zohar Eviatar , Nahal Binur , Orna Peleg
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引用次数: 0

摘要

我们研究了意义是否会自动激活语言形式,以及这些形式是否会影响语义决策。参与者被依次呈现成对的图片,并决定图片中的物体是否相关。他们从来没有给这些照片命名。实验刺激的对象名称在正字法(同源词)、音韵学(同音词)或两者(同音字)上都是模糊的,或者是毫不含糊的。我们发现,除了离线行为测量外,在在线测量(N400)中,对象名称的词汇特征还会影响关于现实世界关系的语义决策。我们展示了概念识别和词汇识别之间的分离,其中早期成分(N230)受到相关性的影响,但对词汇特征不敏感。我们将其解释为支持这样一种假设,即语义识别发生在对象名称的自动词汇激活之前,但一旦语言表征被激活,它们就会影响语义整合。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Interactions of lexical and conceptual representations: Evidence from EEG

We examined whether meanings automatically activate linguistic forms, and whether these forms affect semantic decisions. Participants were presented sequentially with pairs of pictures and decided whether the objects in the pictures were related. At no point did they name the pictures. The object names of the experimental stimuli were ambiguous either in orthography (homographs), phonology (homophones), or both (homonyms), or unambiguous. We show that the lexical characteristics of the name of the objects affect a semantic decision about real world relations, in an online measure (N400), in addition to offline behavioral measures. We show a dissociation between conceptual and lexical recognition, where an earlier component (N230), was affected by relatedness, but was not sensitive to the lexical characteristics. We interpret this as supporting the hypothesis that semantic recognition occurs before the automatic lexical activation of the object name, but that once linguistic representations are activated, they affect semantic integration.

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来源期刊
ACS Applied Bio Materials
ACS Applied Bio Materials Chemistry-Chemistry (all)
CiteScore
9.40
自引率
2.10%
发文量
464
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