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

Spatial-frequency organization in primate striate cortex.

M S Silverman1, D H Grosof, R L De Valois

  • 1Department of Psychology and Neurobiology Group, University of California, Berkeley 94720.

Proceedings of the National Academy of Sciences of the United States of America
|January 1, 1989
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

Community outbreak of invasive group A streptococcus infection in Ontario, Canada.

Canada communicable disease report = Releve des maladies transmissibles au Canada·2019
Same author

Assessing the efficacy of visual prostheses by decoding ms-LFPs: application to retinal implants.

Journal of neural engineering·2009
Same author

Use of an interferon-gamma based assay to assess bladder cancer patients treated with intravesical BCG and exposed to tuberculosis.

Clinical biochemistry·2007
Same author

Leptospirosis in febrile men ingesting Agouti paca in South America.

Annals of tropical medicine and parasitology·2005
Same author

Glass pattern studies of local and global processing of contrast variations.

Vision research·2004
Same author

Cartesian and non-Cartesian responses in LGN, V1, and V2 cells.

Visual neuroscience·2002
Same journal

Chemotactic self-organization captures the dynamics of mammalian hair follicle patterning.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Tomographic imaging of superconducting order using particle-hole interference.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Inhibitory potential of autologous neutralizing antibodies sets quantitative limits on the rebound-competent HIV-1 reservoir.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Inferring epidemiological parameters under an infectious phylogeography model with visitor dynamics.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Analytical modeling for suction cup designs for skin-interfaced wearable devices.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Improving cell-free metabolism through direct integration of artificial respiratory chains.

Proceedings of the National Academy of Sciences of the United States of America·2026
See all related articles

The monkey striate cortex exhibits a repeating spatial organization of cells tuned to different visual frequencies. Low-frequency cells are centered in cytochrome oxidase blobs, with tuning shifting radially outwards.

Area of Science:

  • Neuroscience
  • Visual Cortex Physiology
  • Cortical Organization

Background:

  • The functional organization of the primate visual cortex, specifically the striate cortex, remains an area of active research.
  • Understanding spatial-frequency tuning is crucial for comprehending visual processing.
  • Cytochrome oxidase (CytOx) patterns, particularly "blobs," are known anatomical markers within the striate cortex.

Purpose of the Study:

  • To investigate the spatial-frequency organization within the monkey striate cortex.
  • To determine if there is a periodic anatomical arrangement of cells tuned to different spatial frequencies.
  • To explore the relationship between spatial-frequency tuning and cytochrome oxidase (CytOx) patterns.

Main Methods:

  • Tangential probes were used to record the spatial-frequency tuning of cells at regular intervals in the monkey striate cortex.

Related Experiment Videos

  • Recording sites were correlated with cortical cytochrome oxidase (CytOx) patterns.
  • Analysis focused on the systematic changes in spatial-frequency tuning along the probes.

    • Main Results:

    • A systematic, repeating spatial organization of spatial-frequency tuning was observed, with cycles occurring every 0.6-0.7 mm.
    • A continuum of peak spatial-frequency tuning was found, rather than distinct low- and high-frequency populations.
    • Cells tuned to intermediate spatial frequencies formed a unimodal distribution.
    • A clear correlation was established between spatial-frequency tuning and CytOx patterns: low-frequency cells were located centrally within CytOx blobs, with tuning shifting to higher frequencies radially outwards.

    Conclusions:

    • The monkey striate cortex possesses a spatially organized map of spatial-frequency tuning.
    • This organization is continuous and modular, correlating with cytochrome oxidase blobs.
    • The findings suggest a functional architecture within the striate cortex related to visual processing of spatial frequencies.