Behavioral and Neurodynamic Effects of Word Learning on Phonotactic Repair.

Behavioral and Neurodynamic Effects of Word Learning on Phonotactic Repair.
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DOI:
10.3389/fpsyg.2021.590155
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发表时间:
2021
影响因子:
3.8
通讯作者:
Ahlfors SP
Ahlfors SP
中科院分区:
心理学3区
文献类型:
--
作者:
Gow DW;Schoenhaut A;Avcu E;Ahlfors SP

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控制口语单词的创造、感知和产生的过程对语言使用者词汇中的语音模式很敏感。生成语言学理论认为,听者从词汇中推断出对可能的声音模式的限制,并将这些限制应用于单词使用的各个方面。与此相反,涌现主义者认为,这些语音定位的限制是一个产品的互动联想映射与项目的词汇。为了确定语音定位限制在多大程度上是词汇介导的,我们观察了学习违反英语语音定位限制的新单词的效果(例如,srigin)对非词辅音-辅音-元音(CCV)刺激中的声定位知觉修复过程的影响(例如,/sre/)。学习这些单词的受试者不太可能“修复”非法的起始集群(/sr/),并将其报告为法律的集群(/sr/)。同时收集脑磁图(MEG)和EEG数据的MRI约束重建的有效连接分析表明,这些行为的转变伴随着词汇区对声学语音区的影响强度的变化。这些结果加强了对先前结果的解释,表明对感知的语音定位限制是由自上而下的词汇对语音处理的影响产生的。
Processes governing the creation, perception and production of spoken words are sensitive to the patterns of speech sounds in the language user’s lexicon. Generative linguistic theory suggests that listeners infer constraints on possible sound patterning from the lexicon and apply these constraints to all aspects of word use. In contrast, emergentist accounts suggest that these phonotactic constraints are a product of interactive associative mapping with items in the lexicon. To determine the degree to which phonotactic constraints are lexically mediated, we observed the effects of learning new words that violate English phonotactic constraints (e.g., srigin) on phonotactic perceptual repair processes in nonword consonant-consonant-vowel (CCV) stimuli (e.g., /sre/). Subjects who learned such words were less likely to “repair” illegal onset clusters (/sr/) and report them as legal ones (/∫r/). Effective connectivity analyses of MRI-constrained reconstructions of simultaneously collected magnetoencephalography (MEG) and EEG data showed that these behavioral shifts were accompanied by changes in the strength of influences of lexical areas on acoustic-phonetic areas. These results strengthen the interpretation of previous results suggesting that phonotactic constraints on perception are produced by top-down lexical influences on speech processing.
DOI: 10.5334/gjgl.892
发表时间: 2020-06-12
影响因子: 1
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期刊: COGNITION
影响因子: 3.4
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影响因子: 5.8
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