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

Average responses evoked by moving grating pattern in the upper, central and lower visual field

H Kimura, J Tsutsui

    Neuroscience Letters
    |July 17, 1981
    PubMed
    Summary

    Researchers detected visual evoked potentials using moving grating stimuli in the peripheral visual field. Visual evoked potentials in the upper visual field showed significantly longer latencies compared to central and lower visual fields.

    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

    Intraoperative endoscopic electrohydraulic lithotripsy of pancreatic stones.

    International journal of pancreatology : official journal of the International Association of Pancreatology·1992
    Same author

    [Prevention of hepatitis B in a hospital].

    [Nihon koshu eisei zasshi] Japanese journal of public health·1992
    Same author

    Modification of radiosensitivity by the so-called tissue recovery stimulator. I. Radiosensitizing effects of solcoseryl.

    Journal of radiation research·1992
    Same author

    [Hypoxic ventilatory response and hypoxic depression].

    Nihon Kyobu Shikkan Gakkai zasshi·1992
    Same author

    Impairment of the TSH signal transduction system in human thyroid carcinoma cells.

    Experimental cell research·1992
    Same author

    Role of adrenergic neuronal activity in the yawning induced by tacrine and NIK-247 in rats.

    Pharmacology, biochemistry, and behavior·1992

    Area of Science:

    • Neuroscience
    • Visual Neuroscience
    • Ophthalmology

    Background:

    • Visual evoked potentials (VEPs) are objective measures of visual pathway function.
    • The peripheral visual field's response characteristics are less understood than central vision.
    • Understanding VEPs in different visual field locations is crucial for diagnosing visual pathway disorders.

    Purpose of the Study:

    • To investigate the detectability and latency of visual evoked potentials (VEPs) in response to moving grating stimuli across different peripheral visual field locations.
    • To compare VEP latencies in the upper, central, and lower peripheral visual fields.

    Main Methods:

    • 10 healthy subjects were stimulated with a moving vertical grating pattern (0.4 cycles/degree) in the peripheral visual field.
    • Stimuli were presented 15 degrees above, at, or 15 degrees below a central fixation mark.

    Related Experiment Videos

  • Horizontal movement parameters: 2 Hz, 415 degrees/sec, 8 degrees arc amplitude.
  • Latencies of the positive component of VEPs were measured.

    • Main Results:

    • Detectable VEPs were obtained across all tested peripheral visual field locations.
    • Mean VEP latencies for central (114 +/- 17 msec) and lower (104 +/- 20 msec) visual fields were comparable.
    • VEPs from the upper visual field exhibited significantly longer latencies (148 +/- 20 msec, p < 0.001).

    Conclusions:

    • Moving grating stimuli effectively elicit detectable VEPs in the peripheral visual field.
    • VEP latencies are significantly longer for stimuli presented in the upper peripheral visual field compared to central and lower fields.
    • These findings highlight spatial variations in visual pathway processing speed and may have implications for diagnosing visual field defects.