Voice onset time production in older and younger female monozygotic twins

    Authors

    J. Ryalls; H. Shaw;M. Simon

    Comments

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    Abbreviated Journal Title

    Folia Phoniatr. Logop.

    Keywords

    monozygotic twins; speech; voice onset time; source characteristics; filter characteristics; Audiology & Speech-Language Pathology; Otorhinolaryngology; Rehabilitation

    Abstract

    A comparison of voice onset time (VOT) production in younger and older female monozygotic twins revealed greater similarity for the younger than the older female twin pairs. Based on findings from this study and a review of previous twin literature, it is hypothesized that 'source' characteristics of speech ( voice properties) are under more constraints by genetics, while 'filter' characteristics of speech (VOT, formant frequencies) are freer to diverge due to environmental factors such as different linguistic environments. Since the older twins separated to two distinct linguistic areas of the United States at the age of 25 years, while the 2 younger twins continue to share domicile at 21 years, the findings of this study appear to support this preliminary hypothesis. Copyright (C) 2004 S. Karger AG, Basel.

    Journal Title

    Folia Phoniatrica Et Logopaedica

    Volume

    56

    Issue/Number

    3

    Publication Date

    1-1-2004

    Document Type

    Article

    Language

    English

    First Page

    165

    Last Page

    169

    WOS Identifier

    WOS:000220854700004

    ISSN

    1021-7762

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