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Related Experiment Video

Updated: Mar 15, 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

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Benign paroxysmal positional vertigo and its variants.

D Nuti1, M Masini2, M Mandalà1

  • 1Department of Otology and Skull Base Surgery, University of Siena, Siena, Italy.

Handbook of Clinical Neurology
|September 18, 2016
PubMed
Summary

Benign paroxysmal positional vertigo (BPPV) is a common inner ear disorder causing vertigo with head movements. While diagnosis and treatment are often effective, its exact causes remain speculative.

Keywords:
anterior semicircular canalbenign paroxysmal positional vertigocanalolithiasiscupulolithiasisdownbeat nystagmuslateral semicircular canalpositional nystagmusposterior semicircular canal

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Area of Science:

  • Neurology
  • Otolaryngology
  • Vestibular System Disorders

Background:

  • Benign paroxysmal positional vertigo (BPPV) is a prevalent labyrinthine disorder.
  • It stems from mechanical stimulation of vestibular receptors in the semicircular canals.
  • The condition significantly impacts daily activities and increases fall risk, incurring substantial healthcare costs.

Observation:

  • BPPV presents with characteristic positional vertigo and nystagmus triggered by head position changes relative to gravity.
  • Historical accounts trace back to Bárány in 1921, with detailed descriptions by Dix and Hallpike in 1952.
  • Ongoing research by otolaryngologists and neurologists has advanced understanding of its epidemiology, pathophysiology, clinical presentation, and treatment.

Findings:

  • Effective diagnostic and treatment strategies exist for most BPPV cases.
  • However, the underlying pathophysiologic mechanisms of BPPV are still largely speculative.
  • This review synthesizes current knowledge on the epidemiologic, pathophysiologic, clinical, and therapeutic aspects of BPPV.

Implications:

  • Further research into BPPV's pathophysiology is needed to refine treatment strategies.
  • Improved understanding can lead to reduced healthcare burdens associated with BPPV.
  • Advances in managing BPPV can enhance patient quality of life and reduce fall-related injuries.