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[Communication disorders associated with motor neuron disease: MND]
Waldemar Wojnowski1, Andrzej Obrebowski, Marta Walczak
1Katedra i Klinika Foniatrii i Audiologii AM im. Karola Marcinkowskiego w Poznaniu.
Otolaryngologia Polska = the Polish Otolaryngology
|March 5, 2004
Summary
Motor neuron disease (MND) can cause early voice and speech problems like dysphonia and dysarthria. Degeneration of vocal muscles may lead to sulcus vocalis, a laryngeal sign of MND.
Area of Science:
- Neurology
- Speech-Language Pathology
- Otolaryngology
Background:
- Motor Neuron Disease (MND) is a progressive neurodegenerative disorder affecting nerve cells in the brain and spinal cord.
- Voice and speech disorders are recognized but often under-reported early symptoms of MND.
- Understanding the laryngeal manifestations of MND is crucial for timely diagnosis and management.
Observation:
- This paper details two cases of Motor Neuron Disease (MND).
- In both cases, communication impairments, specifically dysphonia (voice disorder) and dysarthria (speech disorder), were identified as early symptoms.
- The study highlights the significance of these speech and voice changes in the initial presentation of MND.
Findings:
- Dysphonia and dysarthria were observed as early indicators in the presented cases of MND.
- The research posits that sulcus vocalis, characterized by vocal fold scarring or thinning due to vocal muscle degeneration, may represent a specific laryngeal sign of MND.
- This finding suggests a potential link between vocal muscle health and the progression of MND.
Implications:
- Early identification of dysphonia and dysarthria can aid in the earlier diagnosis of Motor Neuron Disease (MND).
- Recognizing sulcus vocalis as a potential laryngeal manifestation could improve diagnostic accuracy for MND.
- Further research into the relationship between vocal muscle degeneration and MND is warranted to develop targeted interventions.