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Vocal fold vibration amplitude, open quotient, speed quotient and their variability along glottal length: kymographic data from normal subjects.

Identifieur interne : 000402 ( PubMed/Corpus ); précédent : 000401; suivant : 000403

Vocal fold vibration amplitude, open quotient, speed quotient and their variability along glottal length: kymographic data from normal subjects.

Auteurs : Jörg Lohscheller ; Jan G. Svec ; Michael Döllinger

Source :

Logopedics, phoniatrics, vocology [ 1651-2022 ] ; 2013.

RBID : pubmed:23173880

English descriptors

KwdEn :
- Endoscopy (methods), Endoscopy (standards), Female, Glottis (anatomy & histology), Glottis (physiology), Humans, Kymography (methods), Kymography (standards), Male, Models, Biological, Phonation (physiology), Reference Values, Reproducibility of Results, Vibration, Vocal Cords (physiology), Voice Disorders (diagnosis), Voice Disorders (physiopathology), Voice Quality (physiology), Young Adult.
MESH :
- anatomy & histology : Glottis.
- diagnosis : Voice Disorders.
- methods : Endoscopy, Kymography.
- physiology : Glottis, Phonation, Vocal Cords, Voice Quality.
- physiopathology : Voice Disorders.
- standards : Endoscopy, Kymography.
- Female, Humans, Male, Models, Biological, Reference Values, Reproducibility of Results, Vibration, Young Adult.

Abstract

Abstract Quantitative knowledge about healthy vocal fold vibration characteristics provides the basis for an objective assessment of vocal fold vibrations. In this study, using high-speed videolaryngoscopy the alterations of the relative vibration amplitudes, open quotients, and speed quotients were analyzed along the glottal length in 30 male and 30 female healthy subjects. The maximum vibration amplitude was identified at 41.1% ± 10.8% and 46.5% ± 18.0% of the visible glottal length in females and males, respectively. The average open quotients decreased in females and males from posterior to anterior, while the speed quotients did not change systematically. The reported normative values can be used to distinguish normal and abnormal vibrations in clinical practice when aiming at quantitative diagnosis of functional voice disorders.

DOI: 10.3109/14015439.2012.731083
PubMed: 23173880

Links to Exploration step

pubmed:23173880

Le document en format XML

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<author><name sortKey="Svec, Jan G" sort="Svec, Jan G" uniqKey="Svec J" first="Jan G" last="Svec">Jan G. Svec</name>
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<author><name sortKey="Dollinger, Michael" sort="Dollinger, Michael" uniqKey="Dollinger M" first="Michael" last="Döllinger">Michael Döllinger</name>
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<term>Glottis (physiology)</term>
<term>Humans</term>
<term>Kymography (methods)</term>
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<term>Voice Disorders (physiopathology)</term>
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<keywords scheme="MESH" qualifier="anatomy & histology" xml:lang="en"><term>Glottis</term>
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<front><div type="abstract" xml:lang="en">Abstract Quantitative knowledge about healthy vocal fold vibration characteristics provides the basis for an objective assessment of vocal fold vibrations. In this study, using high-speed videolaryngoscopy the alterations of the relative vibration amplitudes, open quotients, and speed quotients were analyzed along the glottal length in 30 male and 30 female healthy subjects. The maximum vibration amplitude was identified at 41.1% ± 10.8% and 46.5% ± 18.0% of the visible glottal length in females and males, respectively. The average open quotients decreased in females and males from posterior to anterior, while the speed quotients did not change systematically. The reported normative values can be used to distinguish normal and abnormal vibrations in clinical practice when aiming at quantitative diagnosis of functional voice disorders.</div>
</front>
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<Month>11</Month>
<Day>08</Day>
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<DateCompleted><Year>2014</Year>
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<DateRevised><Year>2013</Year>
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<Day>08</Day>
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<JournalIssue CitedMedium="Internet"><Volume>38</Volume>
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<Title>Logopedics, phoniatrics, vocology</Title>
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<ArticleTitle>Vocal fold vibration amplitude, open quotient, speed quotient and their variability along glottal length: kymographic data from normal subjects.</ArticleTitle>
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<Abstract><AbstractText>Abstract Quantitative knowledge about healthy vocal fold vibration characteristics provides the basis for an objective assessment of vocal fold vibrations. In this study, using high-speed videolaryngoscopy the alterations of the relative vibration amplitudes, open quotients, and speed quotients were analyzed along the glottal length in 30 male and 30 female healthy subjects. The maximum vibration amplitude was identified at 41.1% ± 10.8% and 46.5% ± 18.0% of the visible glottal length in females and males, respectively. The average open quotients decreased in females and males from posterior to anterior, while the speed quotients did not change systematically. The reported normative values can be used to distinguish normal and abnormal vibrations in clinical practice when aiming at quantitative diagnosis of functional voice disorders.</AbstractText>
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<MeshHeading><DescriptorName UI="D015203" MajorTopicYN="N">Reproducibility of Results</DescriptorName>
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<MeshHeading><DescriptorName UI="D014732" MajorTopicYN="N">Vibration</DescriptorName>
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<MeshHeading><DescriptorName UI="D014827" MajorTopicYN="N">Vocal Cords</DescriptorName>
<QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D014832" MajorTopicYN="N">Voice Disorders</DescriptorName>
<QualifierName UI="Q000175" MajorTopicYN="N">diagnosis</QualifierName>
<QualifierName UI="Q000503" MajorTopicYN="N">physiopathology</QualifierName>
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<MeshHeading><DescriptorName UI="D014833" MajorTopicYN="N">Voice Quality</DescriptorName>
<QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName>
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<MeshHeading><DescriptorName UI="D055815" MajorTopicYN="N">Young Adult</DescriptorName>
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Vocal fold vibration amplitude, open quotient, speed quotient and their variability along glottal length: kymographic data from normal subjects.

Vocal fold vibration amplitude, open quotient, speed quotient and their variability along glottal length: kymographic data from normal subjects.

Source :

English descriptors

Abstract

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki