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Related Concept Videos

Larynx01:21

Larynx

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The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids,...
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Targeted Training of Ultrasonic Vocalizations in Aged and Parkinsonian Rats
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Indirect Vocal Therapy as a Treatment Program for Behavioral Dysphonia: A Pilot Study.

Angélica Emygdio Antonetti-Carvalho1, Jhonatan da Silva Victor1, Alcione Ghedini Brasolotto1

  • 1Speech-Language Pathology and Audiology Department at Faculdade de Odontologia de Bauru, Universidade de São Paulo, São Paulo, Brazil.

Folia Phoniatrica Et Logopaedica : Official Organ of the International Association of Logopedics and Phoniatrics (IALP)
|January 18, 2023
PubMed
Summary

Indirect vocal therapy (IVT) improved self-reported vocal comfort and reduced vocal fatigue, symptoms, and handicap in behavioral dysphonia patients. Objective vocal quality measures showed no significant change, warranting further investigation.

Keywords:
Indirect vocal therapyVoice disordersVoice rehabilitation

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Area of Science:

  • Speech and Language Pathology
  • Behavioral Medicine

Background:

  • Indirect Vocal Therapy (IVT) aims to modify behavior, emotions, and environment for vocal quality restoration.
  • Previous studies on IVT components yielded conflicting results, necessitating further research.
  • Behavioral dysphonia requires effective therapeutic strategies to manage vocal issues.

Purpose of the Study:

  • To introduce an Indirect Vocal Therapy (IVT) program based on Van Stan et al.'s taxonomy.
  • To analyze the preliminary effects of this IVT program on vocal comfort in behavioral dysphonia patients.
  • To assess changes in vocal fatigue, symptoms, handicap, and quality via self-assessment and objective measures.

Main Methods:

  • A prospective pilot study involving nine participants with behavioral dysphonia.
  • An 8-session IVT program focusing on vocal health, general health, emotional factors, and motivation.
  • Assessment using Vocal Fatigue Index (VFI), Voice Symptoms Scale (VoiSS), Vocal Handicap Index-30 (VHI-30), acoustic analysis, and auditory-perceptual evaluation (GRBASI).

Main Results:

  • Self-reported scores for VFI, VoiSS, and VHI significantly decreased post-therapy and at follow-up.
  • Vocal comfort and self-perceived vocal parameters showed improvement.
  • Acoustic measures and auditory-perceptual analysis revealed no significant changes in vocal quality.

Conclusions:

  • The IVT program demonstrated positive effects on self-reported vocal comfort and related parameters.
  • Further research is needed to confirm the impact of IVT on objective vocal quality in behavioral dysphonia.
  • IVT shows promise as a therapeutic approach for improving patient-reported outcomes in behavioral dysphonia.