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

Visual evoked potentials to binocular stimulation with disparate patterns

G Lennerstrand, P Jakobsson

    Acta Ophthalmologica
    |June 1, 1982
    PubMed
    Summary

    Binocular visual evoked potential (VEP) interaction is consistent with fused images and linear pattern displacement in normal vision. This suggests differences in stereo-blind subjects are not due to unfused patterns.

    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

    Observation of inverse Compton emission from a long γ-ray burst.

    Nature·2019
    Same author

    Screening for retinopathy of prematurity can be started in postmenstrual week 31 in very premature babies!

    Eye (London, England)·2016
    Same author

    Symptom burden in stable COPD patients with moderate or severe airflow limitation.

    Heart & lung : the journal of critical care·2014
    Same author

    An extremely luminous panchromatic outburst from the nucleus of a distant galaxy.

    Science (New York, N.Y.)·2011
    Same author

    A comparison between different contrast sensitivity tests in the detection of amblyopia.

    Strabismus·2011
    Same author

    A gamma-ray burst at a redshift of z approximately 8.2.

    Nature·2009

    Area of Science:

    • Neuroscience
    • Ophthalmology
    • Visual Perception

    Background:

    • Binocular interaction is crucial for stereoscopic vision.
    • Previous studies suggested differences in binocular visual evoked potential (VEP) interaction between stereo-normal and stereo-blind individuals.
    • The role of fused vs. unfused patterns in binocular VEPs requires further clarification.

    Purpose of the Study:

    • To investigate the impact of linear pattern displacement on binocular VEP interaction in subjects with normal stereoscopic vision.
    • To compare binocular VEP responses in stereo-normal subjects with those in a stereo-blind subject under conditions of pattern displacement.
    • To determine if unfused patterns explain observed differences in binocular VEP interaction in stereo-blind individuals.

    Main Methods:

    • Utilized checkerboard stimulation and VEP recordings in 4 subjects with normal stereoscopic vision and 1 stereo-blind subject.
    • Employed horizontal and vertical prisms to induce linear pattern displacement.
    • Presented patterns to different hemifields and used gratings with perpendicular orientations, with and without colored filters.

    Main Results:

    • Binocular VEP interaction remained consistent for fused images and linearly displaced patterns in normally sighted subjects when projected onto macular areas.
    • Linear pattern displacement did not alter the impaired binocular VEP interaction in the stereo-blind subject.
    • No binocular interaction was observed when patterns were displaced to different hemifields.
    • Binocular VEP reactions were unaffected by perpendicular grating orientations but disrupted by colored filters.

    Conclusions:

    • The observed differences in binocular VEP interaction between stereo-normal and stereo-blind subjects cannot be attributed to binocular stimulation with unfused patterns.
    • Linear pattern displacement does not fundamentally alter binocular VEP interaction in normally sighted individuals under specific conditions.
    • Further research is needed to elucidate the mechanisms underlying binocular VEP processing and stereo-blindness.

    Related Experiment Videos