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

The effect of devascularization of the visual cortex on visual function in the rabbit.

I S Russell, J F Hobbelen, M W Van Hof

    Behavioural Brain Research
    |October 1, 1984
    PubMed
    Summary

    The visual cortex is crucial for pattern vision but not brightness discrimination in rabbits. Removing the pia mater, which devascularizes the visual cortex, caused pattern vision loss, highlighting its role.

    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 exposure to continuous light on the ERG of syrian hamsters.

    Neuroscience letters·2009
    Same author

    Intravenous immunoglobulin in lupus panniculitis.

    Clinical reviews in allergy & immunology·2009
    Same author

    Selective attention and Pavlovian conditioning.

    Experimental brain research·2006
    Same author

    N100 evoked potential latency variation and startle in schizophrenia.

    Neuroreport·2001
    Same author

    Accuracy of ATLS guidelines for predicting systolic blood pressure. Authors' core assertion was wrong.

    BMJ (Clinical research ed.)·2001
    Same author

    Amniotic bands and the EEC syndrome.

    Birth defects original article series·1996

    Area of Science:

    • Neuroscience
    • Vision Science

    Background:

    • The visual cortex's function in processing visual information is complex.
    • Previous studies suggested its involvement in both brightness and pattern recognition.

    Purpose of the Study:

    • To re-examine the specific role of the visual cortex in brightness and pattern vision in rabbits.
    • To differentiate the functions of different layers or components of the visual cortex.

    Main Methods:

    • Rabbits were trained on discrimination tasks for brightness and horizontal-vertical striations.
    • Surgical procedures involved bilateral removal of the dura mater and pia mater overlying the visual cortex.
    • Behavioral assessments were conducted post-surgery to evaluate vision capabilities.

    Main Results:

    Related Experiment Videos

    • Bilateral removal of the dura mater did not impair brightness or pattern vision.
    • Bilateral removal of the pia mater, leading to devascularization of the visual cortex, resulted in a total loss of pattern vision.
    • Brightness discrimination remained unaffected even after pia mater removal.

    Conclusions:

    • The visual cortex plays a critical role in pattern vision but not in brightness discrimination.
    • Vascular supply to the visual cortex, specifically via the pia mater, is essential for maintaining pattern vision.
    • The study supports the idea that visual cortex damage impacts pattern recognition more significantly than brightness perception.