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

Rapid changes in cerebral blood flow and initial visual experience in the developing chick.

S C Bondy, J L Purdy

    Developmental Psychobiology
    |January 1, 1976
    PubMed
    Summary

    Closing one eye in young chicks reduced blood flow to brain regions. Reopening the eye caused overcompensation, especially in chicks with early visual deprivation, potentially linked to visual imprinting.

    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

    Tanshinone IIA attenuates the cerebral ischemic injury-induced increase in levels of GFAP and of caspases-3 and -8.

    Neuroscience·2015
    Same author

    Response of neuropeptides and neurotransmitter binding sites in the retina and brain of the developing chick to reduced visual input.

    International journal of developmental neuroscience : the official journal of the International Society for Developmental Neuroscience·2014
    Same author

    Dietary melatonin attenuates age-related changes in morphology and in levels of key proteins in globus pallidus of mouse brain.

    Brain research·2013
    Same author

    Axoplasmic transport of RNA containing a polyadenylic acid segment.

    Neurochemical research·2013
    Same author

    Dietary α-tocopherol content modulates responses to moderate ethanol consumption.

    Environmental toxicology and pharmacology·2011
    Same author

    Red wine but not ethanol at low doses can protect against the toxicity of methamphetamine.

    Brain research·2010

    Area of Science:

    • Neuroscience
    • Developmental Biology
    • Ophthalmology

    Background:

    • Early visual experience is critical for brain development.
    • Monocular deprivation can alter neural processing and blood flow.
    • Visual imprinting in chicks is a sensitive developmental period.

    Purpose of the Study:

    • To investigate the effects of monocular suture on cerebral blood flow in young chicks.
    • To examine the recovery of cerebral blood flow after reopening the sutured eye.
    • To explore the relationship between visual experience, cerebral vascularization, and visual imprinting.

    Main Methods:

    • Young chicks underwent monocular suture for varying durations.
    • Cerebral blood flow in contralateral and ipsilateral brain regions was measured.

    Related Experiment Videos

  • Chicks experienced different periods of light exposure before and after suture.

    • Main Results:

    • Monocular suture reduced cerebral blood flow in contralateral brain regions.
    • Reopening the eye led to a rapid, overcompensatory increase in blood flow, particularly in chicks deprived of light.
    • The overcompensatory effect's timing and duration were influenced by the age of suture and prior visual exposure.

    Conclusions:

    • Early monocular deprivation significantly impacts cerebral blood flow regulation in developing chicks.
    • A pronounced vascular overcompensation occurs upon visual restoration, suggesting adaptive neural plasticity.
    • This phenomenon may be closely related to the critical period for visual imprinting in avian development.