Jove
Visualize
Contact Us

Related Experiment Videos

Early selective visual experience and pattern discrimination in hooded rats.

J G Corrigan, D L Carpenter

    Developmental Psychobiology
    |January 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    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

    Osteomyelitis of the maxilla.

    The Bur·2010
    Same author

    Severe hemodynamic impairment and border zone--region infarction.

    Radiology·2001
    Same author

    Absence of selective deep white matter ischemia in chronic carotid disease: a positron emission tomographic study of regional oxygen extraction.

    AJNR. American journal of neuroradiology·2000
    Same author

    Decision-time measures of sequential processing by mentally retarded and nonretarded adolescents and MA-matched children.

    American journal of mental deficiency·1983
    Same author

    Motion parallax information for direction of rotation in depth: order and direction components.

    Perception·1983
    Same author

    Feedback effects on target search and velocity extrapolation by mentally retarded and nonretarded adolescents.

    American journal of mental deficiency·1982
    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

    Early visual experience shapes hooded rats' vision. Restricted early exposure to vertical or horizontal stripes impaired their ability to distinguish stripes of different orientations later in life.

    Area of Science:

    • Neuroscience
    • Animal Behavior
    • Visual System Development

    Background:

    • Early sensory experiences are crucial for the development of sensory systems.
    • The visual cortex's development can be influenced by environmental stimuli during critical periods.
    • Understanding how early visual input shapes neural pathways is key to understanding perception.

    Purpose of the Study:

    • To investigate the impact of early visual experience on orientation discrimination in hooded rats.
    • To determine if selective visual rearing affects the functional development of the rat visual system.

    Main Methods:

    • Hooded rats were reared with visual experience limited to either vertical or horizontal stripes.
    • Following the rearing period, rats were tested on a discrimination task involving gray surfaces and stripes of matching or orthogonal orientations.

    Related Experiment Videos

  • Performance was measured by the number of correct choices.

    • Main Results:

    • Rats performed significantly worse when discriminating stripe orientations orthogonal to their early visual experience.
    • The overall performance of vertically reared rats tested with horizontal stripes was lower, influencing the main effect.
    • This suggests a functional specialization of the visual system based on early visual input.

    Conclusions:

    • Early selective visual experience can functionally shape the rat visual system.
    • The visual system demonstrates plasticity, adapting to environmental visual cues during development.
    • These findings highlight the importance of early visual environments for normal visual processing.