Lexical-semantic activation in French-Spanish or French-English bilingual toddlers: An event-related potential (ERP) investigation

IF 1.2 3区 心理学 Q2 LINGUISTICS
Pia Rämä , Cydney Chiball , Yumisay Rukoz
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引用次数: 0

Abstract

Both behavioral and neurophysiological evidence shows that lexical-semantic organization emerges by two years in monolingual children. Research in bilingual children is more scarce, and there is only a limited amount of neurophysiological evidence of the effect of language dominance on lexical-semantic activation. In the present event-related potential (ERP) study, we investigated whether bilingual French-Spanish and French-English learning 24- to 30-month-olds activate semantic relations between words similarly in their both languages, and whether the priming effects are similar in children learning two different language pairs. Participants were presented with related and unrelated dominant and non-dominant language word pairs in a within-language lexical-semantic priming paradigm. The amplitudes of N400 were modulated by trial type, language dominance and language group. A language-independent priming effect - more pronounced N400 amplitudes for unrelated than for related target words - was found in the group of toddlers learning French and Spanish. In the group of toddlers learning French and English, a priming effect was observed only in their non-dominant language. Our results propose that the language pair may contribute to lexical-semantic facilitation in priming tasks during early childhood.

法语-西班牙语或法语-英语双语幼儿的词汇-语义激活:事件相关电位(ERP)研究
行为学和神经生理学证据都表明,单语儿童的词义组织在两岁前就已出现。针对双语儿童的研究则更为稀少,而关于语言优势对词汇语义激活的影响的神经生理学证据也十分有限。在本次事件相关电位(ERP)研究中,我们调查了学习法语-西班牙语和法语-英语的 24 至 30 个月大的双语儿童是否会以类似的方式激活这两种语言中单词之间的语义关系,以及在学习两种不同语言对的儿童中引物效应是否相似。在语言内词汇-语义引物范式中,向受试者呈现相关和不相关的优势语言和非优势语言词对。N400 的振幅受试验类型、语言优势和语言组的调节。在学习法语和西班牙语的幼儿组中,发现了与语言无关的引物效应--无关目标词的 N400 波幅比相关目标词的 N400 波幅更明显。在学习法语和英语的幼儿组中,只在他们的非优势语言中观察到了引物效应。我们的研究结果表明,在幼儿期的引物任务中,语言对可能有助于词汇-语义的促进。
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来源期刊
Journal of Neurolinguistics
Journal of Neurolinguistics 医学-神经科学
CiteScore
3.90
自引率
5.00%
发文量
49
审稿时长
17.2 weeks
期刊介绍: The Journal of Neurolinguistics is an international forum for the integration of the neurosciences and language sciences. JNL provides for rapid publication of novel, peer-reviewed research into the interaction between language, communication and brain processes. The focus is on rigorous studies of an empirical or theoretical nature and which make an original contribution to our knowledge about the involvement of the nervous system in communication and its breakdowns. Contributions from neurology, communication disorders, linguistics, neuropsychology and cognitive science in general are welcome. Published articles will typically address issues relating some aspect of language or speech function to its neurological substrates with clear theoretical import. Interdisciplinary work on any aspect of the biological foundations of language and its disorders resulting from brain damage is encouraged. Studies of normal subjects, with clear reference to brain functions, are appropriate. Group-studies on well defined samples and case studies with well documented lesion or nervous system dysfunction are acceptable. The journal is open to empirical reports and review articles. Special issues on aspects of the relation between language and the structure and function of the nervous system are also welcome.
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