Voice and fluency changes as a function of speech task and deep brain stimulation.

Journal of Speech, Language, and Hearing Research : JSLHR
Diana Van Lancker SidtisJohn J Sidtis

Abstract

Speaking, which naturally occurs in different modes or "tasks" such as conversation and repetition, relies on intact basal ganglia nuclei. Recent studies suggest that voice and fluency parameters are differentially affected by speech task. In this study, the authors examine the effects of subcortical functionality on voice and fluency, comparing measures obtained from spontaneous and matched repeated speech samples. Subjects with Parkinson's disease who were being treated with bilateral deep brain stimulation (DBS) of the subthalamic nuclei were tested with stimulators ON and OFF. The study found that a voice measure, harmonic to noise ratio, is improved in repetition and in the DBS-ON condition and that dysfluencies are more plentiful in conversation with little or variable influence of DBS condition. These findings suggest that voice and fluency are differentially affected by DBS treatment and that task conditions, interacting with subcortical functionality, influence motor speech performance.

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Citations

Sep 17, 2013·Journal of Neurolinguistics·Kelly A BridgesJohn J Sidtis
Feb 2, 2016·Computer Methods and Programs in Biomedicine·Zoltan GalazDagmar Berankova
May 20, 2011·Journal of Communication Disorders·John J SidtisDiana Sidtis
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Jan 20, 2017·Journal of Neural Transmission·L BrabenecIrena Rektorova
Jul 18, 2015·Journal of Speech, Language, and Hearing Research : JSLHR·Diana Van Lancker SidtisJohn J Sidtis
Nov 21, 2012·Journal of Speech, Language, and Hearing Research : JSLHR·Fredrik KarlssonJan van Doorn
Nov 12, 2015·Journal of Speech, Language, and Hearing Research : JSLHR·Seung-Yun Yang, Diana Van Lancker Sidtis
Jul 1, 2015·American Journal of Speech-language Pathology·Ray D Kent
Jan 8, 2020·Brain Sciences·John J SidtisMichele Tagliati
May 14, 2020·Somatosensory & Motor Research·Elif Tugba SaracAkin Akakin
Jan 1, 2017·Cogent Medicine·Diana Van Lancker Sidtis, John J Sidtis
Sep 3, 2017·The Journal of the Acoustical Society of America·Agnès AlsiusKevin G Munhall
Jun 10, 2018·Journal of Voice : Official Journal of the Voice Foundation·Birgül TuhanioğluÖzgül Akın Şenkal

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