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Equilibrium and Balance

The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...
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Mitral Valve Prolapse II: Assessment and Management

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Related Experiment Video

Updated: May 7, 2026

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
07:24

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

Published on: August 22, 2025

Posttraumatic vertigo and dizziness.

Terry D Fife1, Christopher Giza

  • 1Barrow Neurological Institute, Phoenix, Arizona.

Seminars in Neurology
|September 24, 2013
PubMed
Summary
This summary is machine-generated.

Dizziness after head trauma can persist, stemming from inner ear issues like benign paroxysmal positional vertigo or central nervous system injury. Understanding these causes is key for effective treatment and recovery.

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Related Experiment Videos

Last Updated: May 7, 2026

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
07:24

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Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction
05:02

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction

Published on: August 30, 2019

Area of Science:

  • Neurology
  • Otolaryngology
  • Vestibular System

Background:

  • Dizziness and vertigo are frequent after minor head trauma.
  • While often resolving in weeks, symptoms can persist, impacting daily function.
  • Causes include peripheral vestibular disorders and central nervous system factors.

Purpose of the Study:

  • To review inner ear causes of post-concussive dizziness.
  • To explore chronic post-concussive dizziness without a peripheral vestibular origin.
  • To provide a comprehensive understanding of dizziness following head trauma.

Main Methods:

  • Literature review of inner ear causes (e.g., BPPV, labyrinthine concussion, vestibular nerve injury).
  • Exploration of non-labyrinthine causes (CNS injury, migraine, anxiety).
  • Synthesis of current understanding on chronic post-concussive dizziness.

Main Results:

  • Identified specific inner ear pathologies contributing to persistent dizziness.
  • Highlighted non-vestibular factors like CNS injury and psychological influences.
  • Differentiated between peripheral and central causes of chronic dizziness.

Conclusions:

  • Persistent dizziness post-head trauma has diverse etiologies, including peripheral vestibular and central nervous system origins.
  • Accurate diagnosis requires evaluating both inner ear and non-labyrinthine factors.
  • Further research is needed for complex cases involving psychological and environmental interactions.