Preschoolers rely on rich speech representations to process variable speech.

Preschoolers rely on rich speech representations to process variable speech.
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DOI:
10.1111/cdev.13922
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发表时间:
2023-07
期刊:
影响因子:
4.6
通讯作者:
Edwards, Jan R.
Edwards, Jan R.
中科院分区:
心理学1区
文献类型:
--
作者:
Cychosz, Margaret;Mahr, Tristan;Munson, Benjamin;Newman, Rochelle;Edwards, Jan R.

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为了学习语言,孩子们必须将变量输入映射到电话和单词等类别。孩子们如何处理变化并区分不同的发音(汤的“shoup”)与新单词?植入人工耳蜗的儿童通过设备的退化信号学习言语,其独特的感官体验为这个问题提供了新的见解。在错误发音敏感度眼动追踪任务中,植入植入物的儿童 (N = 33) 和听力正常的儿童(N = 24;36-66 个月;36F,19M;均为非西班牙裔白人),词汇量较大,处理已知单词的速度更快。但与典型的听力控制者相比,植入植入物的儿童对发音错误的敏感度较低。因此,各种听力经历的孩子都会使用词汇知识来处理熟悉的单词,但需要详细的语音表示来实时处理可变的语音。
To learn language, children must map variable input to categories such as phones and words. How do children process variation and distinguish between variable pronunciations (“shoup” for soup) versus new words? The unique sensory experience of children with cochlear implants, who learn speech through their device’s degraded signal, lends new insight into this question. In a mispronunciation sensitivity eyetracking task, children with implants (N = 33), and typical hearing (N = 24; 36–66 months; 36F, 19M; all non- Hispanic white), with larger vocabularies processed known words faster. But children with implants were less sensitive to mispronunciations than typical hearing controls. Thus, children of all hearing experiences use lexical knowledge to process familiar words but require detailed speech representations to process variable speech in real time.
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