Muscle Tension Dysphonia. Conversion disorder with motor symptom or deficit
Conditions
Interventions
Intervention 1: Statistical population of Group 1 in the present study: Persian-speaking residents of Tehran, aged 20 to 55 years, who are traditional Iranian vocalists diagnosed with muscle tension d
Sponsors
University of social welfare and rehabilitation sciences
Eligibility
Sex/Gender
All
Age
20 Years to 55 Years
Inclusion criteria
Inclusion criteria: Aged between 20 and 55 years Having experienced voice complaints for more than 3 months Diagnosed with primary Muscle Tension Dysphonia (MTD) based on consensus between a laryngologist and a speech-language pathologist, according to the results of voice history, auditory-perceptual voice evaluation, laryngeal palpation, and videolaryngoscopy Not having received voice therapy or any other voice-related treatment prior to or during the study No upper respiratory tract infection or common cold during the study or within the three weeks preceding it Not being pregnant or breastfeeding No history of neck trauma, surgery, radiotherapy, lesions, scars, excessive fatty tissue, or masses in the head and neck region No addiction to tobacco, narcotics, or alcohol No laryngeal-involving neurological disorders or hearing impairments—based on voice history—that may confound the study results or introduce bias into the assessments.
Exclusion criteria
Exclusion criteria: Violation of any of the inclusion criteria at the time of sampling Corruption of voice samples or administered tests due to various reasons.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Variable name:Type of voice therapy.Type:Qualitative, nominal, independent.Definition:** Direct or indirect interventions aimed at modifying inefficient vocal behaviors to improve voice quality in voice rehabilitation contexts. Timepoint: Assessment of the Immediate Effect. Method of measurement: Acoustic Voice Quality Index (AVQI)Type: Dependent, quantitative, continuousRange: 0–10 (higher = greater roughness)Tool: VoxPlot; based on connected speech and sustained vowelAcoustic Breathiness Index (ABI)Type: Dependent, quantitative, continuousRange: 0–10 (higher = greater breathiness)Tool: VoxPlot; 9 acoustic parameters from vowel and speechOverall Severity of Voice DisorderType: Dependent, qualitative, ordinalRange: 0–100 (based on auditory-perceptual judgment)Tool: Persian CAPE-V via sustained vowels, reading, and spontaneous speech, rated by two experienced SLP. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactArezoo Hasanvand
University of social welfare and rehabilitation sciences
Outcome results
None listed