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

Phase relationships between adjacent simple cells in the visual cortex

D A Pollen, S F Ronner

    Science (New York, N.Y.)
    |June 19, 1981
    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

    Familial Alzheimer disease: decreases in CSF Abeta42 levels precede cognitive decline.

    Neurology·2005
    Same author

    Distinguishable effects of presenilin-1 and APP717 mutations on amyloid plaque deposition.

    Neurobiology of aging·2001
    Same author

    Striate cortex increases contrast gain of macaque LGN neurons.

    Visual neuroscience·2000
    Same author

    Familial Alzheimer's disease: site of mutation influences clinical phenotype.

    Annals of neurology·2000
    Same author

    Postmenopausal hormone therapy and cognitive function in healthy older women.

    Journal of the American Geriatrics Society·2000
    Same author

    On the neural correlates of visual perception.

    Cerebral cortex (New York, N.Y. : 1991)·1999
    Same journal

    Erratum for the Research Article "Detecting supramolecular organic nanoparticles during heat wave".

    Science (New York, N.Y.)·2026
    Same journal

    Local signals, systemic decline.

    Science (New York, N.Y.)·2026
    Same journal

    The mechanics of liver regeneration.

    Science (New York, N.Y.)·2026
    Same journal

    Computing in a memory with physics.

    Science (New York, N.Y.)·2026
    Same journal

    Retraction.

    Science (New York, N.Y.)·2026
    Same journal

    Making time.

    Science (New York, N.Y.)·2026
    See all related articles

    Adjacent simple cells in the visual cortex, tuned to the same orientation and spatial frequency, exhibit a 90-degree phase difference. This suggests they function as paired sine and cosine filters for visual processing.

    Area of Science:

    • Neuroscience
    • Computational Neuroscience
    • Visual Processing

    Background:

    • Simple cells in the visual cortex are fundamental units for processing visual information.
    • Understanding the precise tuning properties and relationships between adjacent simple cells is crucial for deciphering visual cortex function.

    Purpose of the Study:

    • To investigate the relationship between simultaneously recorded adjacent simple cells with similar orientation and spatial frequency tuning.
    • To determine the phase relationship of responses between these paired simple cells to drifting sine-wave gratings.

    Main Methods:

    • Simultaneous electrophysiological recording from adjacent simple cells using the same microelectrode.
    • Cross-correlation analysis of cell responses to drifting sine-wave gratings.

    Related Experiment Videos

  • Analysis of spatial frequency selectivity curves and phase differences.

    • Main Results:

    • Adjacent simple cells with identical orientation and spatial frequency tuning were frequently observed.
    • Cross-correlation analysis revealed a phase difference of approximately 90 degrees between the responses of these paired cells in the middle range of their spatial frequency selectivity curves.

    Conclusions:

    • The observed 90-degree phase relationship suggests that adjacent simple cells function as paired sine and cosine filters.
    • This pairing likely represents a mechanism for processing spatial information, potentially encoding both the presence and the phase of spatial frequencies.