冠状欠规范是语音处理发展过程中的一种新特性。

IF 2.2 2区 心理学 Q2 PSYCHOLOGY
Nadja Althaus, Aditi Lahiri, Kim Plunkett
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引用次数: 0

摘要

发育中的词汇是语音详细还是表征不明确?学步儿童的实验结果表明了语音特异性。与此相反,以冠音同化(rainbow → rai[m]bow)等跨语言现象的普遍性等证据为动机的 "发音不明确词典理论"(Lahiri, 2018; Lahiri & Reetz, 2010)提出,即使在成人词典中,冠音的发音位置也是不明确的。因此,未明确发音位置的词库预示着错误发音敏感性的不对称性也存在于发育中的词库中。最近的研究(Ren 等人,2019 年)否定了这一观点,研究报告显示,19 个月大的儿童对冠音和非冠音错误发音的敏感度相似。通过使用更敏感的实验范式,我们提供了新的证据,证明在 18 个月大时缺乏不对称现象,但对冠音的错误发音敏感性在 24 个月大时消失了。在一项模态间偏好观察研究中,成长曲线分析表明,18 个月大的儿童对冠状词(如 duck 与 *buck)和非冠状词(如 bird 与 *dird)的错误发音都很敏感。在 24 个月大时,对冠音起始词的错误发音与准确发音一样处理。我们的结论是,在 24 个月大时,冠音在正在发育的词库中还没有得到充分定义。我们提出了一个模型,即最初的表征是语音性质的,需要准确的声音输入,而词汇层面上的语音冠化不足则是随着输入的变化而逐渐出现的,如冠化同化,只有随着词汇和分词技能的不断提高,冠化同化才会成为可检测的模式。(PsycInfo Database Record (c) 2024 APA, 版权所有)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Coronal underspecification as an emerging property in the development of speech processing.

Is the developing lexicon phonologically detailed or are representations underspecified? Experimental results from toddlers suggest phonological specificity. By contrast, the featurally underspecified lexicon theory (Lahiri, 2018; Lahiri & Reetz, 2010), motivated by evidence such as the cross-linguistic prevalence of phenomena such as coronal assimilation (rainbow → rai[m]bow), proposes that coronal sounds are unspecified for place of articulation even in the adult lexicon. The featurally underspecified lexicon, therefore, predicts that asymmetries in mispronunciation sensitivity are also present in the developing lexicon. Recent research (Ren et al., 2019) has rejected this, reporting similar sensitivity to mispronunciation of coronals and noncoronals at 19 months. Using a more sensitive experimental paradigm, we provide new evidence demonstrating a lack of asymmetries at 18 months, but mispronunciation sensitivity for coronals disappears by 24 months. In an intermodal preferential looking study, growth curve analysis shows that 18-month-olds are sensitive to mispronunciations of words with a coronal (e.g., duck vs. *buck) and noncoronal (e.g., bird vs. *dird) onset. At 24 months, mispronunciations of coronal-onset words were treated just like the accurate pronunciations. We conclude that coronals are underspecified in the developing lexicon at 24 months. We propose a model under which initial representations are phonetic in nature and require exact acoustic input, whereas phonological coronal underspecification at the lexical level emerges gradually as a result of exposure to variation in the input such as coronal assimilations that only become detectable patterns with growing lexical and segmentation skills. (PsycInfo Database Record (c) 2024 APA, all rights reserved).

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来源期刊
CiteScore
4.30
自引率
3.80%
发文量
163
审稿时长
4-8 weeks
期刊介绍: The Journal of Experimental Psychology: Learning, Memory, and Cognition publishes studies on perception, control of action, perceptual aspects of language processing, and related cognitive processes.
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