Foreign-language experience in infancy: Effects of short-term exposure and social interaction on phonetic learning

Patricia K. Kuhl, Feng Ming Tsao, Huei Mei Liu

Research output: Contribution to journalArticle

534 Citations (Scopus)

Abstract

Infants acquire language with remarkable speed, although little is known about the mechanisms that underlie the acquisition process. Studies of the phonetic units of language have shown that early in life, infants are capable of discerning differences among the phonetic units of all languages, including native- and foreign-language sounds. Between 6 and 12 mo of age, the ability to discriminate foreign-language phonetic units sharply declines. In two studies, we investigate the necessary and sufficient conditions for reversing this decline in foreign-language phonetic perception. In Experiment 1, 9-mo-old American infants were exposed to native Mandarin Chinese speakers in 12 laboratory sessions. A control group also participated in 12 language sessions but heard only English. Subsequent tests of Mandarin speech perception demonstrated that exposure to Mandarin reversed the decline seen in the English control group. In Experiment 2, infants were exposed to the same foreign-language speakers and materials via audiovisual or audio-only recordings. The results demonstrated that exposure to recorded Mandarin, without interpersonal interaction, had no effect. Between 9 and 10 mo of age, infants show phonetic learning from live, but not prerecorded, exposure to a foreign language, suggesting a learning process that does not require long-term listening and is enhanced by social interaction.

Original languageEnglish
Pages (from-to)9096-9101
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume100
Issue number15
DOIs
Publication statusPublished - 2003 Jul 22

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Phonetics
Interpersonal Relations
Language
Learning
Control Groups
Speech Perception
Aptitude

ASJC Scopus subject areas

  • General

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Foreign-language experience in infancy : Effects of short-term exposure and social interaction on phonetic learning. / Kuhl, Patricia K.; Tsao, Feng Ming; Liu, Huei Mei.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 100, No. 15, 22.07.2003, p. 9096-9101.

Research output: Contribution to journalArticle

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