Anatomical and physiological considerations in vestibular dysfunction and compensation

Sherri M. Jones, Timothy A. Jones, Kristal N. Mills, G. Christopher Gaines

Research output: Contribution to journalReview article

13 Scopus citations

Abstract

Sensory information from the vestibular, visual, and somatosensory/ proprioceptive systems are integrated in the brain in complex ways to produce a final motor output to muscle groups for maintaining gaze, head and body posture, and controlling static and dynamic balance. The balance system is complex, which can make differential diagnosis of dizziness quite challenging. However, this complex system is organized anatomically in a variety of pathways, and some of these pathways have been documented. The vestibulo-ocular reflex (VOR) is one such pathway. Understanding the anatomy and physiology of the VOR facilitates our understanding of normal and abnormal eye movements, and research is advancing our understanding of the plasticity of the vestibular system. This review highlights anatomical and physiological features of the normal vestibular system, applies these concepts to explain some clinical findings in some common peripheral vestibular disorders, and discusses some of the research investigating the anatomical and physiological basis for vestibular compensation.

Original languageEnglish (US)
Pages (from-to)231-241
Number of pages11
JournalSeminars in Hearing
Volume30
Issue number4
DOIs
StatePublished - 2009

Keywords

  • Anatomy
  • Cerebellum
  • Compensation
  • Dysfunction
  • Physiology
  • Vestibular
  • Vestibular nuclei

ASJC Scopus subject areas

  • Speech and Hearing

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