The role of affective meaning, semantic associates, and orthographic neighbours in modulating the N400 in single words

IF 0.6 Q3 LINGUISTICS Mental Lexicon Pub Date : 2020-11-06 DOI:10.1075/ml.19021.blo

Frida Blomberg, M. Roll, Johan Frid, M. Lindgren, M. Horne

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引用次数: 2

Abstract

Abstract The N400 has been seen to be larger for concrete than abstract words, and for pseudowords than real words. Using a word vector analysis to calculate semantic associates (SA), as well as ratings for emotional arousal (EA), and a measure of orthographic neighbourhood (ON), the present study investigated the relation between these factors and N400 amplitudes during a lexical decision task using Swedish word stimuli. Four noun categories differing in concreteness: specific (squirrel), general (animal) emotional (happiness) and abstract (tendency) were compared with pseudowords (danalod). Results showed that N400 amplitudes increased in the order emotional < abstract < general < specific < pseudoword. A regression analysis showed that the amplitude of the N400 decreased the more semantic associates a word had and the higher the rating for emotional arousal it had. The N400 also increased the more orthographic neighbours a word had. Results provide support for the hierarchical organisation of concrete words assumed in lexical semantics. They also demonstrate how affective information facilitates meaning processing.

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情感意义、语义关联和正字法邻居在调节单字N400中的作用

摘要N400在具体单词方面比抽象单词更大，在假名方面比真实单词更大。本研究使用词向量分析来计算语义关联（SA）、情绪唤醒评级（EA）和正交邻域测量（ON），调查了在使用瑞典语单词刺激的词汇决策任务中，这些因素与N400振幅之间的关系。将具体性不同的四个名词类别：特定（松鼠）、一般（动物）情感（幸福）和抽象（倾向）与假名（danalod）进行了比较。结果表明，N400振幅的增加顺序为情绪性＜抽象性＜一般性＜特异性＜伪词。回归分析表明，一个词的语义联想越多，情绪唤醒评级越高，N400的幅度就越低。N400还增加了一个单词的拼写邻居越多。研究结果为词汇语义中假设的具体单词的层次组织提供了支持。他们还展示了情感信息如何促进意义处理。

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来源期刊

Mental Lexicon LINGUISTICS-

CiteScore

1.50

自引率

0.00%

发文量

期刊介绍： The Mental Lexicon is an interdisciplinary journal that provides an international forum for research that bears on the issues of the representation and processing of words in the mind and brain. We encourage both the submission of original research and reviews of significant new developments in the understanding of the mental lexicon. The journal publishes work that includes, but is not limited to the following: Models of the representation of words in the mind Computational models of lexical access and production Experimental investigations of lexical processing Neurolinguistic studies of lexical impairment. Functional neuroimaging and lexical representation in the brain Lexical development across the lifespan Lexical processing in second language acquisition The bilingual mental lexicon Lexical and morphological structure across languages Formal models of lexical structure Corpus research on the lexicon New experimental paradigms and statistical techniques for mental lexicon research.