Related Experiment Video
Updated: Jul 31, 2025
19:53
Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer
Published on: March 1, 2015
105.9K
Oral Incompetence: changes in speech intelligibility following facial nerve paralysis.
E Charters1, S Coulson2, T Low3
1School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia; Department of Head and Neck Surgery, Chris O'Brien Lifehouse, Sydney, Australia.
Summary
Facial nerve paralysis (FNP) significantly impacts speech intelligibility and quality of life. Patients with FNP perceive their speech as worse, affecting daily function.
Area of Science:
- Neurology
- Speech Pathology
- Otolaryngology
Background:
- Facial nerve paralysis (FNP) can compromise speech and reduce quality of life.
- The impact of FNP on speech intelligibility is not fully understood.
- FNP prevalence is significant, yet underreported in scientific literature.
Purpose of the Study:
- To prospectively evaluate the impact of FNP on speech intelligibility.
- To assess the relationship between FNP, oral incompetence, and speech perception.
- To quantify the effect of FNP on speech-related quality of life.
Main Methods:
- Observational study recruiting FNP patients with reported oral incompetence.
- Speech analysis included patient-reported outcomes (Speech Handicap Index).
- Perceived intelligibility assessed by speech pathologists, controls, self-rating, and software.
Main Results:
- Forty FNP participants and 40 controls were recruited.
- FNP patients rated their intelligibility significantly lower than other groups (p <0.001).
- Bilabial, fricative, and labiodental phonemes were most affected by FNP.
Conclusions:
- FNP compromises oral competence, leading to reduced speech intelligibility.
- Poorer self-perceived intelligibility impacts speech-related quality of life.
- FNP necessitates targeted speech and quality of life interventions.
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