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Speech characteristics of monozygotic twins and a same-sex sibling: an acoustic case study of coarticulation patterns in read speech

Whiteside, S.P. and Rixon, E. (2003) Speech characteristics of monozygotic twins and a same-sex sibling: an acoustic case study of coarticulation patterns in read speech. Phonetica, 60 (4). pp. 273-297. ISSN 1423-0321

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Abstract

This case study reports on an acoustic investigation of the motor speech characteristics of a set of young adult male monozygotic (MZ) twins and compares them to those of an age- and sex-matched sibling who participated in the study 2 years later to match for demographic factors. Coarticulation patterns were investigated from read samples of consonant-vowel sequences in monosyllabic words containing a variety of consonants and vowels. This was done by examining F2 vowel onsets and F2 vowel targets, plotted as F2 locus equations. Data were processed for between-sibling differences using a number of statistical tests. Results indicated that the MZ twins displayed F2 parameters and coarticulation patterns which were more similar than those of their age- and sex-matched sibling. The results of this case study therefore suggest that acoustic phonetic parameters used to index coarticulation patterns have the potential to profile some of the similarities and differences in the speech characteristics of genetically related individuals.

Item Type: Article
Copyright, Publisher and Additional Information: Copyright © 2003 S. Karger AG, Basel. This article is copyright protected. Any distribution without written consent from S. Karger AG, Basel is a violation of the copyright. Uploaded with permission.
Keywords: Monozygotic twins, human, coarticulation patterns, development, motor speech skills, genetic, acoustic phonetic
Academic Units: The University of Sheffield > Faculty of Medicine, Dentistry and Health (Sheffield) > Department of Human Communication Sciences (Sheffield)
Depositing User: Repository Officer
Date Deposited: 29 Aug 2007 17:21
Last Modified: 08 Feb 2013 16:54
Published Version: http://dx.doi.org/10.1159/000076377
Status: Published
Publisher: Karger
Refereed: No
Identification Number: 10.1159/000076377
URI: http://eprints.whiterose.ac.uk/id/eprint/2657

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