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 Concept Videos

Facial Feedback Hypothesis01:24

Facial Feedback Hypothesis

383
Charles Darwin proposed that facial expressions are an evolutionary adaptation for communication. He argued that these expressions are not influenced by culture but are universal across species. For example, a snarling expression with exposed teeth signals a threat in many animals, including humans. Darwin also suggested that displaying an emotion can intensify the feeling. Smiling, for example, could enhance one's sense of happiness. This idea laid the foundation for understanding the role...
383
Effects of feedback01:24

Effects of feedback

818
Feedback in control systems plays a critical role in shaping various operational parameters, extending beyond simple error reduction to influence stability, bandwidth, gain, impedance, and sensitivity. Understanding these effects requires examining a basic feedback system characterized by defined input, output, error, and feedback signals.
Feedback significantly modifies the gain of a control system. The gain of a system without feedback is altered by a factor of one plus GH, where G represents...
818
Respiratory System Abnormal Finding II: Palpation and Auscultation01:31

Respiratory System Abnormal Finding II: Palpation and Auscultation

1.0K
In assessing respiratory abnormalities, palpation and auscultation are critical tools for detecting and interpreting various pathophysiological changes. These techniques provide insight into underlying disorders by evaluating tactile sensations and sounds produced by the respiratory system.
Palpation Findings
During a respiratory assessment, palpation can reveal several vital abnormalities:
1.0K
Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

Assessment of Ventilation II: Respiratory Depth and Rhythm

2.0K
Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
2.0K
Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

161
IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
161
Ventilatory Modes01:14

Ventilatory Modes

780
Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
Full Support Modes
Full support modes include controlled mechanical ventilation, continuous mandatory...
780

You might also read

Related Articles

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

Sort by
Same author

Towards an understanding of somatosensory perturbation on covert speech production: a functional near infrared spectroscopy study.

Frontiers in human neuroscience·2026
Same author

Longitudinal Acoustic Analysis of /s/ in Head and Neck Cancer Patients Treated With Surgery.

Journal of speech, language, and hearing research : JSLHR·2026
Same author

Computational analysis of tongue reconstruction surgery: The impact of donor site and flap volume on post-operative anatomy and biomechanics.

PloS one·2026
Same author

Guided tongue reconstruction: Feasibility analysis of additively manufactured surgical toolkit on a silicone tongue model.

Surgical oncology·2026
Same author

Examining the Cerebral-Cerebellar Connectivity During Spelling Tasks.

Cerebellum (London, England)·2026
Same author

Perturbing the pathway: The impact of lollipops and lidocaine on supramarginal gyrus activity during silent reading tasks.

Brain and language·2025

Related Experiment Video

Updated: Nov 17, 2025

Hemi-laryngeal Setup for Studying Vocal Fold Vibration in Three Dimensions
10:13

Hemi-laryngeal Setup for Studying Vocal Fold Vibration in Three Dimensions

Published on: November 25, 2017

11.2K

Visual biofeedback for paradoxical vocal fold motion (PVFM).

Rachelle Alyce LeBlanc1, Daniel Aalto2, Caroline C Jeffery3

  • 1Division of Otolaryngology Head and Neck Surgery, Department of Surgery, University of Alberta, 1E4 Walter Mackenzie Centre, 8440-112 Street NW, Edmonton, Alberta, T6G 2B7, Canada.

Journal of Otolaryngology - Head & Neck Surgery = Le Journal D'Oto-Rhino-Laryngologie Et De Chirurgie Cervico-Faciale
|February 19, 2021
PubMed
Summary

Surgeon-performed visual biofeedback offers an effective first-line treatment for paradoxical vocal fold motion (PVFM), significantly reducing symptoms and medication use. This approach provides rapid relief for patients experiencing breathing difficulties due to PVFM.

Keywords:
BiofeedbackParadoxical vocal fold motion

More Related Videos

Investigating the Three-dimensional Flow Separation Induced by a Model Vocal Fold Polyp
09:58

Investigating the Three-dimensional Flow Separation Induced by a Model Vocal Fold Polyp

Published on: February 3, 2014

8.7K
Author Spotlight: Advancements in the Fabrication of Synthetic Vocal Fold Models for Phonetic and Robotic Applications
06:24

Author Spotlight: Advancements in the Fabrication of Synthetic Vocal Fold Models for Phonetic and Robotic Applications

Published on: January 5, 2024

1.1K

Related Experiment Videos

Last Updated: Nov 17, 2025

Hemi-laryngeal Setup for Studying Vocal Fold Vibration in Three Dimensions
10:13

Hemi-laryngeal Setup for Studying Vocal Fold Vibration in Three Dimensions

Published on: November 25, 2017

11.2K
Investigating the Three-dimensional Flow Separation Induced by a Model Vocal Fold Polyp
09:58

Investigating the Three-dimensional Flow Separation Induced by a Model Vocal Fold Polyp

Published on: February 3, 2014

8.7K
Author Spotlight: Advancements in the Fabrication of Synthetic Vocal Fold Models for Phonetic and Robotic Applications
06:24

Author Spotlight: Advancements in the Fabrication of Synthetic Vocal Fold Models for Phonetic and Robotic Applications

Published on: January 5, 2024

1.1K

Area of Science:

  • Otolaryngology
  • Pulmonology
  • Speech-Language Pathology

Background:

  • Paradoxical vocal fold motion (PVFM) involves inappropriate vocal fold adduction during inspiration, causing dyspnea.
  • Current management often relies on behavioral therapy, but access to speech-language pathology (SLP) services can be limited.
  • Variations in practice necessitate exploring alternative first-line treatments for PVFM.

Purpose of the Study:

  • To evaluate the efficacy of surgeon-performed visual biofeedback as a primary treatment for PVFM.
  • To assess the impact of visual biofeedback on patient-reported dyspnea and medication usage.

Main Methods:

  • Prospective, non-randomized clinical study.
  • Adult patients with confirmed PVFM underwent immediate surgeon-performed visual biofeedback.
  • Outcomes measured included changes in Dyspnea Index (DI) scores and asthma medication use at 3-month follow-up.

Main Results:

  • 25 adult patients with PVFM were included in the study.
  • Significant improvement in Dyspnea Index scores was observed post-intervention (p < 0.001).
  • A significant reduction in bronchodilator use was noted (p = 0.003).

Conclusions:

  • Surgeon-performed visual biofeedback is an effective treatment for PVFM.
  • This intervention leads to short-term reductions in subjective symptoms and asthma medication requirements.
  • Visual biofeedback presents a viable first-line management option for PVFM.