Language proficiency modulates L2 orthographic learning mechanism: Evidence from event-related brain potentials in overt naming

IF 4.2 1区 文学 Q1 LINGUISTICS
Yang Fu, Beatriz Bermúdez-Margaretto, David Beltrán, Wang Huili, Alberto Dominguez
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引用次数: 0

Abstract

The present study investigates bilinguals’ capacity to rapidly establish memory traces for novel word forms in a second language (L2), as a function of L2 linguistic proficiency. A group of Chinese-English bilinguals with various English proficiency levels were presented with a reading-aloud task, consisting of 16 pseudowords and 16 English words repeatedly presented across six training exposures. Behavioral and neurophysiological data were collected, and modulations in the word-length effect across repetitions were measured as an index of transition from sublexical to lexical involvement. Results revealed that higher L2 proficiency was associated with decreased word-length effect on novel words, reflected in both naming latencies and early N1 and P200 brain responses. In contrast, lower proficiency learners appeared to engage in effortful letter-to-sound decoding processes, with higher attentional allocation to the letter sequence and greater use of sublexical processing across exposures. Our findings highlight the need to tackle specific grapheme-to-phoneme skills for efficient learning of L2, particularly in populations where the L1 is nonalphabetic.
语言水平调节二语正字法学习机制:来自公开命名中事件相关脑电位的证据
本研究调查了双语者在第二语言中快速建立新单词形式记忆痕迹的能力,作为第二语言熟练程度的函数。一组具有不同英语水平的中英双语者接受了朗读任务,该任务由16个假名和16个英语单词组成,在6次训练中重复呈现。收集了行为和神经生理学数据,并测量了单词长度效应在重复中的调节,作为从亚言语到词汇参与的过渡指数。结果表明,更高的L2水平与对新单词的单词长度效应降低有关,这反映在命名潜伏期以及早期N1和P200大脑反应中。相比之下,低水平的学习者似乎参与了费力的字母到声音的解码过程,对字母序列的注意力分配更高,并且在不同的暴露中更多地使用亚语言处理。我们的研究结果强调了解决特定的字形到音素技能以有效学习L2的必要性,特别是在L1非字母表的人群中。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
8.00
自引率
9.80%
发文量
52
期刊介绍: Studies in Second Language Acquisition is a refereed journal of international scope devoted to the scientific discussion of acquisition or use of non-native and heritage languages. Each volume (five issues) contains research articles of either a quantitative, qualitative, or mixed-methods nature in addition to essays on current theoretical matters. Other rubrics include shorter articles such as Replication Studies, Critical Commentaries, and Research Reports.
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