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Lexical Learning May Contribute to Phonetic Learning in Infants: A Corpus Analysis of Maternal Spanish.


ABSTRACT: In their first year, infants begin to learn the speech sounds of their language. This process is typically modeled as an unsupervised clustering problem in which phonetically similar speech-sound tokens are grouped into phonetic categories by infants using their domain-general inference abilities. We argue here that maternal speech is too phonetically variable for this account to be plausible, and we provide phonetic evidence from Spanish showing that infant-directed Spanish vowels are more readily clustered over word types than over vowel tokens. The results suggest that infants' early adaptation to native-language phonetics depends on their word-form lexicon, implicating a much wider range of potential sources of influence on infants' developmental trajectories in language learning.

SUBMITTER: Swingley D 

PROVIDER: S-EPMC7224410 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature

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Lexical Learning May Contribute to Phonetic Learning in Infants: A Corpus Analysis of Maternal Spanish.

Swingley Daniel D   Alarcon Claudia C  

Cognitive science 20180521


In their first year, infants begin to learn the speech sounds of their language. This process is typically modeled as an unsupervised clustering problem in which phonetically similar speech-sound tokens are grouped into phonetic categories by infants using their domain-general inference abilities. We argue here that maternal speech is too phonetically variable for this account to be plausible, and we provide phonetic evidence from Spanish showing that infant-directed Spanish vowels are more read  ...[more]

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