Jove
Visualize
Contact Us

Related Experiment Videos

The visual evoked responses: reliability revisited.

M D Van Brocklin, R R Hirons, W H Langfield

    Journal of the American Optometric Association
    |December 1, 1979
    PubMed
    Summary

    This study found that averaging at least 5 visual evoked response (VER) samples enhances data reliability. Steady-state displays yield more reliable VER data, though transient displays offer narrower uncertainty in refraction formats.

    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

    Conflicts of interest.

    Optometry (St. Louis, Mo.)·2002
    Same author

    Use of teleoptometry to evaluate acceptability of rigid gas-permeable contact lens fits.

    Optometry (St. Louis, Mo.)·2001
    Same author

    Concepts of traditional Oriental medicine.

    Optometry (St. Louis, Mo.)·2000
    Same author

    Implications of problem-based education for the future of optometric practice.

    Optometry (St. Louis, Mo.)·2000
    Same author

    Pacific's experience with Web-based instruction: bats in the belfry or Webs in the classroom?

    Optometry (St. Louis, Mo.)·2000
    Same author

    Laser pointers: toys, nuisances, or significant eye hazards?

    Journal of the American Optometric Association·1999
    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

    Area of Science:

    • Ophthalmology
    • Neuroscience
    • Visual Science

    Background:

    • Visual evoked response (VER) is a key electrophysiological measure.
    • Assessing VER data reliability is crucial for clinical and research applications.
    • Understanding display system influences on VER reliability is important.

    Purpose of the Study:

    • To evaluate the reliability of visual evoked response (VER) data.
    • To compare the reliability of steady-state versus transient visual display systems.
    • To determine optimal parameters for reliable VER data acquisition.

    Main Methods:

    • Collected VER data from 9 normal subjects using steady-state and transient displays.
    • Acquired 7 consecutive VERs with varying ensemble-averaged sample sizes (10-100).
    • Averaged data considering different numbers of VERs (3, 5, and 7) to assess reliability.

    Main Results:

    • Maximum reliability was achieved by averaging at least 5 VERs, each with 50+ ensemble-averaged samples.
    • Steady-state displays provided more reliable VER data compared to transient displays.
    • Transient displays, in a refraction format, yielded refractions with narrower uncertainty ranges.

    Conclusions:

    • Averaging 5 or more VERs, with sufficient ensemble samples, ensures reliable data.
    • Steady-state displays are preferable for general VER reliability.
    • Transient displays offer advantages for refraction measurements due to reduced uncertainty.

    Related Experiment Videos