粤语和香港手语语音激活的时间过程:聋人双模双语中文阅读者的ERP研究

IF 2.8 1区 心理学 Q1 PSYCHOLOGY, EXPERIMENTAL Cognition Pub Date : 2024-07-17 DOI:10.1016/j.cognition.2024.105878
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引用次数: 0

摘要

本研究利用ERP技术调查了香港聋哑读者的粤语和香港手语语音激活模式。在记录参与者脑电图的同时,进行了两个采用错误干扰范式的实验。实验 1 侧重于正字法和基于语音的语音处理,而实验 2 则考察了手语-语音处理。实验 1 的结果显示,听力读者在 P200 和 N400 窗口同时表现出正字法和语音效应,这与之前的中文阅读研究一致。在聋人读者中,在 P200 窗口观察到了明显的基于语音的语音效应,而正字法效应则跨越了 P200 和 N400 窗口。实验 2 发现在聋人读者的 P200 和 N400 窗口中都有符号-语音激活的证据,这可能反映了符号-语音表征参与了早期的词汇访问和后期的语义整合。此外,探索性分析表明,聋人读者的阅读流畅度越高,P200 窗口中的正字法效应就越强,而 N400 窗口中的正字法效应就越弱。
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The time course of Cantonese and Hong Kong Sign Language phonological activation: An ERP study of deaf bimodal bilingual readers of Chinese

This study investigated Cantonese and Hong Kong Sign Language (HKSL) phonological activation patterns in Hong Kong deaf readers using the ERP technique. Two experiments employing the error disruption paradigm were conducted while recording participants’ EEGs. Experiment 1 focused on orthographic and speech-based phonological processing, while Experiment 2 examined sign-phonological processing. ERP analyses focused on the P200 (180–220 ms) and N400 (300–500 ms) components.

The results of Experiment 1 showed that hearing readers exhibited both orthographic and phonological effects in the P200 and N400 windows, consistent with previous studies on Chinese reading. In deaf readers, significant speech-based phonological effects were observed in the P200 window, and orthographic effects spanned both the P200 and N400 windows. Comparative analysis between the two groups revealed distinct spatial distributions for orthographic and speech-based phonological ERP effects, which may indicate the engagement of different neural networks during early processing stages.

Experiment 2 found evidence of sign-phonological activation in both the P200 and N400 windows among deaf readers, which may reflect the involvement of sign-phonological representations in early lexical access and later semantic integration. Furthermore, exploratory analysis revealed that higher reading fluency in deaf readers correlated with stronger orthographic effects in the P200 window and diminished effects in the N400 window, indicating that efficient orthographic processing during early lexical access is a distinguishing feature of proficient deaf readers.

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来源期刊
Cognition
Cognition PSYCHOLOGY, EXPERIMENTAL-
CiteScore
6.40
自引率
5.90%
发文量
283
期刊介绍: Cognition is an international journal that publishes theoretical and experimental papers on the study of the mind. It covers a wide variety of subjects concerning all the different aspects of cognition, ranging from biological and experimental studies to formal analysis. Contributions from the fields of psychology, neuroscience, linguistics, computer science, mathematics, ethology and philosophy are welcome in this journal provided that they have some bearing on the functioning of the mind. In addition, the journal serves as a forum for discussion of social and political aspects of cognitive science.
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