Neurophysiology and Clinical Implications of the Laryngeal Adductor Reflex

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18 Scopus citations

Abstract

The laryngeal adductor reflex (LAR) is an involuntary protective response to stimuli in the larynx. The superior laryngeal nerve acts as the afferent limb and the recurrent laryngeal nerve as the efferent limb of this reflex, which is modulated by the central nervous system. Perhaps the most clinically significant application of the LAR is its use in laryngopharyngeal (LP) sensory discrimination testing. Importantly, aberrations in the LAR may predict dysphagia or portend clinical phenotypes of chronic cough, vocal cord dysfunction or pediatric apneas. LP sensation is a potential target for interventions addressing the aforementioned conditions though currently remains an area of active investigation.

Original languageEnglish (US)
Pages (from-to)178-182
Number of pages5
JournalCurrent Otorhinolaryngology Reports
Volume1
Issue number3
DOIs
StatePublished - Sep 2013

Keywords

  • Glottic closure reflex
  • LAR
  • Laryngeal sensory testing
  • Laryngopharyngeal sensation
  • Superior laryngeal nerve

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Surgery
  • Immunology and Allergy
  • Clinical Neurology

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