Imitation and repetition of prosodic contour in vocal interaction at 3 months.

Maya Gratier · Émmanuel Devouche

136 citations0/0 files storedDevelopmental Psychology

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Language Development and Disorders Phonetics and Phonology Research Child and Animal Learning Development

Abstract

This study investigates vocal imitation of prosodic contour in ongoing spontaneous interaction with 10- to 13-week-old infants. Audio recordings from naturalistic interactions between 20 mothers and infants were analyzed using a vocalization coding system that extracted the pitch and duration of individual vocalizations. Using these data, the authors categorized a sample of 1,359 vocalizations on the basis of 7 predetermined contours. Pairs of identical successive vocalizations were considered to be imitations if they involved both partners or repetitions if they were produced by the same partner. Results show that not only do mothers and infants imitate and repeat prosodic contour types in the course of vocal interaction but they do so selectively. Indeed, different contours are imitated and repeated by each partner. These findings suggest that imitation and repetition of prosodic contours have specific functions for communication and vocal development in the 3rd month of life.

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References

2011Praat: Doing Phonetics by Computer 2011Praat : doing phonetics by computer [Computer program]2019The Interpersonal World of the Infant: A View from Psychoanalysis and Developmental Psychology 1961Emotion and Meaning in Music 1985Social Perception in Infants 1976Linguistic uses of segmental duration in English: Acoustic and perceptual evidence 1985Four-month-old infants prefer to listen to motherese 1981Before speech: The beginning of interpersonal communication. Ed. by Margaret Bullowa. Cambridge: University Press, 1979. Pp. viii, 400. Cloth $36.00, paper $9.95.

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