Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Positional nystagmus.

U Rosenhall1

  • 1Department of Audiology, Sahlgrenska Sjukhuset, Gothenburg, Sweden.

Acta Oto-Laryngologica. Supplementum
|January 1, 1988
PubMed
Summary
This summary is machine-generated.

Positional nystagmus (PN) is an eye movement disorder triggered by head positioning. Peripheral PN involves a delayed, fatiguing response, often linked to inner ear issues, while central PN has immediate, non-fatiguing, direction-changing movements.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Surface Structures of the Human Vestibular Sensory Regions.

Acta oto-laryngologica·2016
Same author

Elevated levels of myelin basic protein in CSF in relation to auditory brainstem responses in Bell's Palsy.

Acta oto-laryngologica·2011
Same author

The menopause triggers hearing decline in healthy women.

Hearing research·2009
Same author

The influence of ageing on noise-induced hearing loss.

Noise & health·2003
Same author

Candidature for and delivery of audiological services: special needs of older people.

International journal of audiology·2003
Same author

Horizontal localization and speech intelligibility with bilateral and unilateral hearing aid amplification.

International journal of audiology·2002
Same journal

Towards a consensus on a hearing preservation classification system.

Acta oto-laryngologica. Supplementum·2013
Same journal

Inner ear drug delivery system from the clinical point of view.

Acta oto-laryngologica. Supplementum·2010
Same journal

Hydrogen protects vestibular hair cells from free radicals.

Acta oto-laryngologica. Supplementum·2010
Same journal

Distribution of bone marrow-derived cells in the vestibular end organs and the endolymphatic sac.

Acta oto-laryngologica. Supplementum·2010
Same journal

Impacts and limitations of medialization thyroplasty on swallowing function of patients with unilateral vocal fold paralysis.

Acta oto-laryngologica. Supplementum·2010
Same journal

A tissue-engineering approach for stenosis of the trachea and/or cricoid.

Acta oto-laryngologica. Supplementum·2010
See all related articles

Area of Science:

  • Neurology
  • Ophthalmology
  • Vestibular System Disorders

Background:

  • Positional nystagmus (PN) is characterized by involuntary eye movements (nystagmus) elicited by specific head positions.
  • Peripheral PN, often linked to otoconia detachment in the vestibular apparatus, presents with latency, adaptation, and fatigability.
  • Central PN, conversely, is direction-changing without latency or fatigability, with diverse etiological factors.

Purpose of the Study:

  • To differentiate between peripheral and central types of positional nystagmus.
  • To identify potential causes and associated conditions for both types of PN.
  • To provide a concise overview of PN for clinical and research purposes.

Main Methods:

  • Clinical observation and patient history to assess nystagmus characteristics (latency, adaptation, fatigability, direction).

Related Experiment Videos

  • Review of etiological factors associated with peripheral PN (middle ear issues, head trauma, circulatory problems, aging, vascular loops, Borreliosis).
  • Review of etiological factors associated with central PN (drugs, posterior fossa tumors, vascular disturbances, multiple sclerosis).

    • Main Results:

    • Peripheral PN exhibits a latent period, adaptation, and fatigability, often associated with benign paroxysmal positional vertigo (BPPV) causes.
    • Central PN is characterized by immediate onset, direction changes, and lack of adaptation/fatigability.
    • Identified diverse potential causes for both peripheral and central PN, highlighting the complexity of vestibular disorders.

    Conclusions:

    • Distinguishing between peripheral and central PN is crucial for accurate diagnosis and management.
    • Understanding the varied etiologies of PN aids in targeted investigations and treatment strategies.
    • Positional nystagmus requires careful evaluation to determine its origin and underlying cause.