基于听觉刺激的规则学习任务中辅音和元音的事件相关电位分析

Pub Date : 2023-10-23 DOI:10.7358/neur-2023-034-kach
Minal Kachhawa, Umesh Kumar, Bhoopendra Patel, Ramesh Chand Choudhary, Dashrath Ganwani, Amitabh Dube
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引用次数: 1

摘要

本研究旨在通过分析三音节听觉无义词刺激下的事件相关电位模式,探讨规则学习任务中辅音和元音使用差异的假设。研究包括ABB规则的标准刺激,适用于元音条件下的元音和辅音条件下的辅音,以及两种由新音素组成的异常刺激类型。结果表明,与标准刺激相比,在辅音条件下,音素和规则偏差在振幅和潜伏期上都表现出显著的变化,只有在元音条件下,规则偏差才表现出显著的变化。这些发现表明,元音和辅音在神经语言学中起着基础作用,而元音对于理解语言规则很重要,而辅音则开始了词汇获取的过程。总的来说,这项研究对辅音和元音差异处理的神经动力学提供了重要的见解。
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The event related potential profiling of consonants and vowels across rule learning task through auditory stimuli
The present study was aimed to investigate the hypothesis of differential use of consonants and vowels in rule learning tasks by analysing patterned Event-Related Potentials (ERPs) in response to trisyllabic auditory non-sense word stimuli in an oddball paradigm. The study included standard stimuli of ABB rule, applicable to vowels in vowel conditions and consonants in consonant conditions, and two deviant stimulus types consisting of novel phonemes. The results showed that both phoneme and rule deviants exhibited significant changes in ERP profiling in amplitude and latency compared to standard stimuli in consonant conditions and only with rule deviant in vowel conditions. These findings suggest that vowels and consonants play a fundamental role in neurolinguistics, whereas, vowels are important for understanding the rules of language, while consonants commencing the process of lexicon access. Overall, the study provides important insights into the neural dynamics underlying the differential processing of consonants and vowels.
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