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

Superior colliculus efferents to the hypothalamus

J H Fallon, R Y Moore

    Neuroscience Letters
    |October 1, 1979
    PubMed
    Summary

    The superior colliculus projects to hypothalamic dendrites, revealing multimodal sensory input in the ventral hypothalamus. This visual and sensory-motor pathway is crucial for understanding hypothalamic function.

    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

    Gray matter volume reduction in rostral middle frontal gyrus in patients with chronic schizophrenia.

    Schizophrenia research·2010
    Same author

    Organum vasculosum lamina terminalis: innervation by serotonin neurons of the midbrain raphe.

    Neuroscience letters·2009
    Same author

    Auditory-visual interaction in cat orbital-insular cortex.

    Neuroscience letters·2009
    Same author

    Substantia nigra dopamine neurons: separate populations project to neostriatum and allocortex.

    Neuroscience letters·2009
    Same author

    Transforming growth factor-alpha induces neurogenesis and behavioral improvement in a chronic stroke model.

    Neuroscience·2009
    Same author

    Ependymal stem cells divide asymmetrically and transfer progeny into the subventricular zone when activated by injury.

    Neuroscience·2008

    Area of Science:

    • Neuroscience
    • Visual System
    • Hypothalamic circuits

    Background:

    • The superior colliculus (SC) is a key brain region involved in visual processing and sensorimotor control.
    • The hypothalamus plays a vital role in regulating various physiological functions, including homeostasis and circadian rhythms.

    Purpose of the Study:

    • To investigate the projection pathways of the superior colliculus to the hypothalamus in rabbits and rats.
    • To elucidate the cellular targets and hypothalamic regions receiving input from the SC.

    Main Methods:

    • Light and electron microscopy were employed to study the SC-hypothalamic projection.
    • Anterograde transport tracing techniques using tritiated leucine, proline, adenosine, and horseradish peroxidase were utilized.

    Main Results:

    • The SC primarily projects to dendrites within the ipsilateral optic and supraoptic tracts of the hypothalamus.
    • These dendrites originate from neurons in the lateral and anterior hypothalamic areas, retrochiasmatic area, and supraoptic nucleus.
    • The ventral hypothalamus receives distinct and overlapping visual and multimodal sensory-motor inputs.

    Conclusions:

    • The superior colliculus provides significant visual input to the ventral hypothalamus.
    • This projection contributes to the integration of visual and other sensory modalities within the hypothalamus.
    • The findings highlight the complex circuitry underlying hypothalamic function and sensory integration.

    Related Experiment Videos