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Laboratory Phonology

Journal of the Association for Laboratory Phonology

Ed. by Cole, Jennifer


IMPACT FACTOR 2015: 0.667
Rank 85 out of 179 in category Linguistics in the 2015 Thomson Reuters Journal Citation Report/Social Sciences Edition

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1868-6354
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Gestural reduction, lexical frequency, and sound change: A study of post-vocalic /l/

Susan Lin
  • Corresponding author
  • Department of Linguistics, University of Michigan
  • Department of Linguistics, University of California, Berkeley
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/ Patrice Speeter Beddor / Andries W. Coetzee
Published Online: 2014-02-19 | DOI: https://doi.org/10.1515/lp-2014-0002

Abstract

The magnitude of anterior and dorsal constrictions for laterals in /(C)(C)VlC/ words produced by eight American English speakers was measured using ultrasound imaging. The results replicate previous findings that laterals have weaker anterior constrictions when followed by labial or velar consonants than when followed by alveolar consonants. The main novel finding is that, in words with /VlClabial/ or /VlCvelar/ sequences, this anterior constriction was weaker in high-frequency words (help , milk ) than in low-frequency words ( whelp , ilk ). Although high-frequency words also showed slight reduction of the dorsal constriction, dorsal reduction was stable, small in magnitude, and not correlated with anterior reduction, consistent with alveolar reduction not being simply a consequence of overall weaker lingual constrictions in more frequent words. Acoustic measures for laterals showed that the degree of anterior constriction correlated with the frequency separation between F1 and F2: more reduced alveolar constrictions – especially likely in high-frequency words – were linked with greater formant proximity. These articulatory and acoustic patterns are interpreted as potentially contributing to the initiation and lexical diffusion of historical /l/ lenition. It is proposed that gestural reduction in high-frequency words in which the anterior gesture for laterals must be coordinated with another supralaryngeal constriction serves as a precipitating factor in /l/ vocalization and possibly (although to a lesser extent) /l/ loss.

About the article

Published Online: 2014-02-19

Published in Print: 2014-02-01


Citation Information: Laboratory Phonology, ISSN (Online) 1868-6354, ISSN (Print) 1868-6346, DOI: https://doi.org/10.1515/lp-2014-0002.

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©2014 by Walter de Gruyter Berlin/Boston. Copyright Clearance Center

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