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7 - The Perceptual Assimilation Model: Early Bilingual Adults and Developmental Foundations

from Part II - Theoretical Models of Bilingual Phonetics and Phonology

Published online by Cambridge University Press:  14 November 2024

By
Michael D. Tyler  and
Catherine T. Best
Edited by
Mark Amengual
Mark Amengual
Affiliation:
University of California, Santa Cruz
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Summary

The Perceptual Assimilation Model (PAM) accounts for how native-language (L1) experience shapes speech perception. According to PAM, infants develop phonological categories by attuning to the critical phonetic features that set phonological categories apart (phonological distinctiveness) and to the phonetic variability that defines each category (phonological constancy).The effects of L1 attunement on perception can also be seen in adults. PAM generates predictions about discrimination accuracy for non-native contrasts by comparing how the non-native phones are perceived in terms of L1 phonological categories. The extent to which perception might be altered further by experience with a second language (L2) is outlined by PAM-L2. While PAM has focused on L1 attunement in monolinguals, and PAM-L2 on L2 acquisition in adulthood, their principles also apply to early bilingual language acquisition. In this chapter, we will consider the various contexts of acquisition and language use in early bilinguals to sketch out how experience with more than one native language shapes perception and how childhood L2 acquisition might modify the emerging phonological system.

Keywords

cross-language speech perceptionperceptual assimilationearly bilingualslanguage acquisitionphonological development
Type
Chapter
Information
The Cambridge Handbook of Bilingual Phonetics and Phonology , pp. 147 - 172
Publisher: Cambridge University Press
Print publication year: 2024

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