Bunched /r/ promotes vowel merger to schwar: an ultrasound tongue imaging study of Scottish sociophonetic variation

Lawson, E., Scobbie, J. and Stuart-Smith, J. (2013) Bunched /r/ promotes vowel merger to schwar: an ultrasound tongue imaging study of Scottish sociophonetic variation. Journal of Phonetics, 41(3-4), pp. 198-210. (doi:10.1016/j.wocn.2013.01.004)

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Abstract

For a century, phoneticians have noted a vowel merger in middle-class Scottish English, in the neutralisation of prerhotic checked vowels /ɪ/, /ʌ/, /ɛ/ to a central vowel, e.g. fir, fur, fern [fəɹ], [fəɹ] [fəɹn], or [fɚ], [fɚ], [fɚn]. Working-class speakers often neutralise two of these checked vowels to a low back [ʌ] vowel, fir, fur, both pronounced as [fʌɹ] or as [fʌˤ]. The middle-class merger is often assumed to be an adaptation towards the UK’s socially prestigious R.P. phonological system in which there is a long-standing three-way non-rhotic merger, to [ɜː]. However, we suggest a system-internal cause, that coarticulation with the postvocalic /r/ may play a role in the contemporary Scottish vowel merger. Indeed, strongly rhotic middle-class Scottish speakers have recently been found to produce postvocalic approximant /r/ using a markedly different tongue configuration from working class Scottish speakers, who also tend to derhoticise /r/. We present the results of an ultrasound tongue imaging investigation into the differing coarticulatory effects of bunched and tongue-front raised /r/ variants on preceding vowels. We compare tongue shapes from two static points during rhotic syllable rimes. Phonetically, it appears that the bunched /r/ used by middle-class speakers exerts a stronger global coarticulatory force over preceding vowel tongue configurations than tongue-front raised /r/ does. This also results in a monophthongal rhotic target for what historically had been three distinct checked vowels. Phonologically, our view is that middle class speakers of Scottish English have reduced the V+/r/ sequence to one segment; either a rhoticised vowel /ɚ/ or a syllabic rhotic.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Lawson, Dr Eleanor and Stuart-Smith, Professor Jane
Authors: Lawson, E., Scobbie, J., and Stuart-Smith, J.
Subjects:P Language and Literature > P Philology. Linguistics
P Language and Literature > PE English
College/School:College of Arts > School of Critical Studies > English Language and Linguistics
Journal Name:Journal of Phonetics
Publisher:Elsevier
ISSN:0095-4470

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
551731Seeing the Links in the Speaker-Hearer Chain: An investigation of the transmission of articulatory variation using Ultrasound Tongue ImagingJane Stuart-SmithEconomic & Social Research Council (ESRC)ES/I036400/1CRIT - ENGLISH LANGUAGE