| Perturbation and nonlinear dynamic analyses of voices from patients with unilateral laryngeal paralysis. | |
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MedLine Citation:
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PMID: 16301098 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This study used perturbation methods (eg, jitter and shimmer) and nonlinear dynamic methods (eg, phase space reconstruction and correlation dimension) to analyze sustained voices generated by normal subjects and patients with unilateral laryngeal paralysis. We found that normal and pathological voices had low-dimensional dynamic characteristics. For nearly periodic voices, jitter and shimmer values of pathological voices from patients with unilateral laryngeal paralysis were significantly different from normal voices. For nearly periodic and aperiodic voices, the correlation dimensions of pathological voices were statistically higher than normal voices. Receiver operating characteristic analysis was used to evaluate the diagnostic performances of jitter, shimmer, and correlation dimension. High sensitivity and specificity of these three acoustic analyses in distinguishing unilateral laryngeal paralysis patients from normal subjects were found. We concluded that combining traditional perturbation analysis and nonlinear dynamic analysis might provide efficient descriptions of pathological voices and represent a valuable tool for clinical diagnosis of laryngeal paralysis. |
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Authors:
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Yu Zhang; Jack J Jiang; Laura Biazzo; Malinda Jorgensen |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural |
Journal Detail:
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Title: Journal of voice : official journal of the Voice Foundation Volume: 19 ISSN: 0892-1997 ISO Abbreviation: J Voice Publication Date: 2005 Dec |
Date Detail:
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Created Date: 2005-11-22 Completed Date: 2006-07-31 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 8712262 Medline TA: J Voice Country: United States |
Other Details:
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Languages: eng Pagination: 519-28 Citation Subset: IM |
Affiliation:
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Department of Surgery, Division of Otolaryngology Head and Neck Surgery, University of Wisconsin Medical School, Medical Science Center Rm. 5745, 1300 University Avenue, Madison, WI 53706-1532, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Aged Aged, 80 and over Case-Control Studies Female Humans Male Middle Aged Nonlinear Dynamics ROC Curve Sound Spectrography Speech Acoustics Vocal Cord Paralysis / complications, physiopathology* Voice / physiology* Voice Disorders / etiology*, physiopathology |
| Grant Support | |
ID/Acronym/Agency:
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1R01 DC 006019/DC/NIDCD NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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