Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Vocal fold impact stress analysis.

J J Jiang1, A G Shah, M M Hess

  • 1Department of Otolaryngology-Head and Neck Surgery, Northwestern University Medical School, Chicago, Illinois 60611, USA. jjiang@nwu.edu

Journal of Voice : Official Journal of the Voice Foundation
|September 25, 2002
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Results from the T2K Experiment on Neutrino Mixing Including a New Far Detector μ-like Sample.

Physical review letters·2026
Same author

First Differential Measurement of the Single π^{+} Production Cross Section in Neutrino Neutral-Current Scattering.

Physical review letters·2025
Same author

First Measurement of the Electron-Neutrino Charged-Current Pion Production Cross Section on Carbon with the T2K Near Detector.

Physical review letters·2025
Same author

[Emapalumab treatment for macrophage activation syndrome in a child with systemic lupus erythematosus].

Zhonghua er ke za zhi = Chinese journal of pediatrics·2025
Same author

[Efficacy of <i>Saccharomyces boulardii</i> combined with minocycline quadruple therapy for <i>Helicobacter Pylori</i> infection].

Zhonghua yi xue za zhi·2025
Same author

First Joint Oscillation Analysis of Super-Kamiokande Atmospheric and T2K Accelerator Neutrino Data.

Physical review letters·2025
Same journal

Reliability of Auditory-Perceptual Voice Evaluation: An Investigation of GRBAS Scale Reproducibility Among Expert Raters.

Journal of voice : official journal of the Voice Foundation·2026
Same journal

Vocal Health of Pastors in the Protestant Church in Germany.

Journal of voice : official journal of the Voice Foundation·2026
Same journal

Assessment of the Motor Speech Profile Tremor Analysis in Vocal Tremor Diagnosis.

Journal of voice : official journal of the Voice Foundation·2026
Same journal

Psychometric and Acoustic Investigation of Identity and Phonotraumatic Vocal Hyperfunction.

Journal of voice : official journal of the Voice Foundation·2026
Same journal

"I Go but I Don't Participate": A Scoping Review With Thematic Synthesis of the Experiences of Voice Disorders in Adulthood.

Journal of voice : official journal of the Voice Foundation·2026
Same journal

Voice Changes in Laryngeal Intraepithelial Neoplasia and Nonneoplastic Lesions.

Journal of voice : official journal of the Voice Foundation·2026
See all related articles

Vocal fold impact stress, a factor in vocal fold lesions, can be estimated noninvasively. The second derivative of photoglottography (PGG) measurements showed a linear relationship with impact stress in canine larynges.

Area of Science:

  • Laryngology
  • Bioacoustics
  • Biomechanics

Background:

  • Vocal fold impact stress is a potential cause of vocal fold nodules and polyps.
  • Impact force is related to acceleration, assuming constant vocal fold mass.
  • Photoglottography (PGG) measures vocal fold displacement, allowing calculation of velocity and acceleration.

Purpose of the Study:

  • To compare the second derivative of the PGG signal with simultaneously measured impact stress.
  • To investigate the potential of PGG as a noninvasive method for estimating vocal fold impact stress.

Main Methods:

  • Excised canine larynx model used for experimentation.
  • Glottal transillumination (PGG) measured via a subglottic transducer.
  • Impact stress measured using a miniature force transducer placed between the vocal folds.

Related Experiment Videos

Main Results:

  • A positive and linear relationship was observed between the second derivative of PGG and impact stress.
  • Results were statistically significant across nine different larynges.
  • The findings support the hypothesis that PGG can estimate relative vocal fold impact stress.

Conclusions:

  • The second derivative of PGG offers a useful noninvasive method for estimating relative vocal fold impact stress.
  • This technique may aid in understanding and potentially preventing vocal fold pathologies related to impact stress.