Journal
JOURNAL OF CLINICAL NEUROPHYSIOLOGY
Volume 32, Issue 4, Pages 284-293Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/WNP.0000000000000187
Keywords
Larynx; Cough; Swallowing; Respiration; Laryngeal adductor reflex; Laryngeal closure reflex; Pharyngoglottal closure reflex; Laryngeal electromyography; Voice disorders; Laryngeal cough; Laryngeal expiration reflex; Sensory testing
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Funding
- [U54 NS065701]
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This review examines the current level of knowledge and techniques available for the study of laryngeal reflexes. Overall, the larynx is under constant control of several systems (including respiration, swallowing and cough) as well as sensory motor reflex responses involving glossopharyngeal, pharyngeal, laryngeal, and tracheobronchial sensory receptors. Techniques for the clinical assessment of these reflexes are emerging and need to be examined for sensitivity and specificity in identifying laryngeal sensory disorders. Quantitative assessment methods for the diagnosis of sensory reductions and sensory hypersensitivity may account for laryngeal disorders, such as chronic cough, paradoxical vocal fold disorder, and muscular tension dysphonia. The development of accurate assessment techniques could improve our understanding of the mechanisms involved in these disorders.
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