| Changes in vocal loudness following intensive voice treatment (LSVT) in individuals with Parkinson's disease: a comparison with untreated patients and normal age-matched controls. | |
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MedLine Citation:
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PMID: 11215597 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This study assessed the impact of the Lee Silverman Voice Treatment (LSVT) on vocal loudness [sound pressure level (SPL)] in a group of dysarthric individuals with idiopathic Parkinson's disease (IPD). Pre- to post-treatment changes in SPL in the treated group were compared with changes in voice SPL during the same time in two control groups: individuals with IPD not treated with the LSVT and in non-disordered individuals, age-matched to the patients. All subjects produced the same voice and speech tasks--sustaining vowel phonation, reading the "Rainbow Passage," producing a short monologue, and describing a picture. These tasks were recorded at three different occasions: just prior to treatment, just after treatment, and 6 months following treatment. The individuals treated with LSVT increased voice SPL from baseline to post-treatment by an average of 8 dB and from baseline to 6 months follow-up by an average of 6 dB. These changes were statistically significant and perceptibly audible. No significant changes in SPL were observed in the control groups during the time corresponding to the treatment and follow-up. Differences in SPL between the treated and untreated patients at post-treatment and follow-up were statistically significant for all voice and speech tasks. These findings, along with others, provide additional support for the efficacy of the LSVT. |
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Authors:
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L O Ramig; S Sapir; C Fox; S Countryman |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: Movement disorders : official journal of the Movement Disorder Society Volume: 16 ISSN: 0885-3185 ISO Abbreviation: Mov. Disord. Publication Date: 2001 Jan |
Date Detail:
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Created Date: 2001-02-15 Completed Date: 2001-06-14 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 8610688 Medline TA: Mov Disord Country: United States |
Other Details:
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Languages: eng Pagination: 79-83 Citation Subset: IM |
Affiliation:
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Department of Speech Language and Hearing Sciences, University of Colorado-Boulder, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Female Humans Male Parkinson Disease / complications* Severity of Illness Index Treatment Outcome Voice Disorders / diagnosis, etiology*, therapy* Voice Quality Voice Training* |
| Grant Support | |
ID/Acronym/Agency:
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R01 DC-01150/DC/NIDCD NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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