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

Local circuits and ocular dominance columns in monkey striate cortex.

L C Katz1, C D Gilbert, T N Wiesel

  • 1Laboratory of Neurobiology, Rockefeller University, New York, New York 10021.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|April 1, 1989
PubMed
Summary

Ocular dominance columns in macaque visual cortex influence neuronal wiring. Dendrites and axons in layer 4C beta largely respect column borders, but layer 3 shows more intercolumnar connections.

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

In vivo vomeronasal stimulation reveals sensory encoding of conspecific and allospecific cues by the mouse accessory olfactory bulb.

Proceedings of the National Academy of Sciences of the United States of America·2010
Same author

Republication of The Journal of Physiology (1959) 148, 574-591: Receptive fields of single neurones in the cat's striate cortex. 1959.

The Journal of physiology·2009
Same author

Fatty acid indices of stearoyl-CoA desaturase do not reflect actual stearoyl-CoA desaturase enzyme activities in adipose tissues of beef steers finished with corn-, flaxseed-, or sorghum-based diets.

Journal of animal science·2005
Same author

Carcass, sensory, and adipose tissue traits of Brangus steers fed casein-formaldehyde-protected starch and/or canola lipid.

Journal of animal science·2003
Same author

Nobel laureates' letter to President Bush.

The Washington post·2002
Same author

Conjugated linoleic acid depresses the delta9 desaturase index and stearoyl coenzyme A desaturase enzyme activity in porcine subcutaneous adipose tissue.

Journal of animal science·2002

Area of Science:

  • Neuroscience
  • Visual System Research
  • Cortical Circuitry

Background:

  • Ocular dominance columns represent a fundamental organizational principle in the mammalian visual cortex.
  • Understanding how these columns relate to intrinsic cortical circuitry is crucial for deciphering visual information processing.

Purpose of the Study:

  • To investigate the relationship between ocular dominance columns and the intrinsic circuitry of the macaque striate cortex.
  • To determine how afferent input segregation influences neuronal morphology within cortical layers.

Main Methods:

  • Preparation of macaque striate cortex brain slices.
  • In vitro visualization of ocular dominance columns using rhodamine transport from the lateral geniculate nucleus.
  • Intracellular fluorescent dye injection to reveal axonal and dendritic arborizations of individual layer 4C beta cells.

Related Experiment Videos

Main Results:

  • Dendrites of layer 4C beta cells near column borders preferentially arborized within their 'home' column.
  • Axon collaterals within layer 4C beta showed limited lateral spread, primarily staying within the home column.
  • Axon terminals projecting to layer 3 exhibited wider lateral spread, disregarding column borders.

Conclusions:

  • Segregated afferent input significantly influences dendritic arbor patterns in layer 4C beta.
  • Morphological evidence suggests intercolumnar interactions occur even within layer 4C beta.
  • Layer 3 demonstrates greater intercolumnar connectivity, with axons from layer 4C beta freely crossing ocular dominance column boundaries.