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.

H O Barber

    Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
    |December 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    Positional nystagmus, a type of involuntary eye movement, can be persistent or transitory. Type III, or paroxysmal positional nystagmus, often indicates a benign inner ear issue but can signal serious intracranial lesions.

    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

    The effect of hearing loss on ABR interpretation: use of a correction factor.

    Scandinavian audiology·1993
    Same author

    On the search for markers of poor vestibular compensation.

    Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery·1989
    Same author

    Changes in the time constants of the vestibulo-ocular reflex and optokinetic afternystagmus following unilateral ablative vestibular surgery.

    The Journal of otolaryngology·1989
    Same author

    Bilateral vestibular loss and oscillopsia.

    The Journal of otolaryngology·1989
    Same author

    Psychiatric diagnoses in patients with psychogenic dizziness or severe tinnitus.

    The Journal of otolaryngology·1988
    Same author

    The reproducibility of caloric tests of vestibular function in young and old subjects.

    Acta oto-laryngologica·1988
    Same journal

    Gender-Affirming Care in Otolaryngology: A State of the Art Review.

    Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery·2026
    Same journal

    Caffeine Consumption and Rhinologic Symptom Severity.

    Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery·2026
    Same journal

    Ethical Considerations in Using the Pernkopf Atlas in Otolaryngology Education Ethics in Practice: Point-Counterpoint.

    Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery·2026
    Same journal

    Preoperative Neutrophil-to-Lymphocyte Ratio Predicts Recurrence in HPV-Associated Oropharyngeal Cancer After Transoral Robotic Surgery.

    Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery·2026
    Same journal

    PEAK-II Trach: A Multi-Institutional Quality Improvement/Simulation Study Assessing Pediatric Emergency Readiness.

    Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery·2026
    Same journal

    Clinical Features, Treatment, and Outcomes for Oropharyngeal Adenoid Cystic Carcinoma: A Systematic Review.

    Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery·2026
    See all related articles

    Area of Science:

    • Neurology
    • Ophthalmology
    • Otorhinolaryngology

    Background:

    • Positional nystagmus presents in persistent (Type I and II) and transitory (Type III) forms.
    • Persistent types can indicate peripheral or central abnormalities.
    • Type III, or paroxysmal positional nystagmus, is associated with vertigo and requires careful classification.

    Observation:

    • Type III nystagmus is subdivided into typical and atypical forms based on clinical and electronystagmographic features.
    • Guidelines are provided for differentiating between typical and atypical presentations.
    • While often benign, Type III can rarely be caused by serious intracranial lesions.

    Findings:

    • The majority of Type III positional nystagmus cases stem from harmless inner ear disturbances.

    Related Experiment Videos

  • Atypical forms of Type III are more likely to be associated with underlying intracranial pathology.
  • A reported case highlights vermis metastasis presenting as postural vertigo and paroxysmal downbeat positional nystagmus.

    • Implications:

    • Accurate differentiation of Type III positional nystagmus is crucial for diagnosis.
    • Identifying atypical forms prompts investigation for potentially life-threatening intracranial conditions.
    • This classification aids in distinguishing benign vestibular disorders from serious neurological deficits.