Related Experiment Videos
Psychogenic spasmodic dysphonia: a case study with expert opinions
1Northwestern University, Evanston, Illinois, USA.
Journal of Voice : Official Journal of the Voice Foundation
|September 1, 1995
Summary
Psychogenic spasmodic dysphonia (PSD) can mimic neurologic SD but is treatable with voice therapy. Clearer diagnostic criteria are needed to prevent misdiagnosis and inappropriate medical treatment for voice disorders.
Area of Science:
- Neurology
- Otolaryngology
- Speech-Language Pathology
Background:
- Spasmodic dysphonia (SD) is debated as either a neurologic syndrome or a symptom complex with diverse causes.
- Distinguishing between organic and psychogenic etiologies in voice disorders is crucial for effective treatment.
Observation:
- A case study of a psychiatric nurse with psychogenic SD (PSD) demonstrated rapid improvement with one voice therapy session.
- Voice experts identified psychogenic characteristics but disagreed on whether the case constituted typical SD.
Findings:
- The patient's dysphonia resolved quickly, supporting a psychogenic origin based on symptom incongruity, reversibility, and psychogenicity.
- Key features like staccato speech, effortful phonation, and voice arrests were noted, yet consensus on SD classification was lacking.
Implications:
- Lack of clear diagnostic criteria for SD risks misdiagnosing psychogenic voice disorders as organic SD, leading to unnecessary medical interventions.
- Defining SD's specific voice symptoms and pathophysiology is essential to resolve etiological debates and improve diagnostic accuracy.