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

Temporal interactions in the cat visual system. I. Orientation-selective suppression in the visual cortex.

S B Nelson1

  • 1Robert Bosch Vision Research Center, Salk Institute for Biological Studies, San Diego, California 92138.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|February 1, 1991
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

Rate, timing, and cooperativity jointly determine cortical synaptic plasticity.

Neuron·2002
Same author

Postsynaptic depolarization scales quantal amplitude in cortical pyramidal neurons.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2001
Same author

Synaptic plasticity: taming the beast.

Nature neuroscience·2000
Same author

Neuron-specific expression of the rat gonadotropin-releasing hormone gene is conferred by interactions of a defined promoter element with the enhancer in GT1-7 cells.

Molecular endocrinology (Baltimore, Md.)·2000
Same author

Activity coregulates quantal AMPA and NMDA currents at neocortical synapses.

Neuron·2000
Same author

Hebb and homeostasis in neuronal plasticity.

Current opinion in neurobiology·2000
Same journal

Vestibular function drives gaze stability in locomoting macaques.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

Region- and layer-specific glutamatergic synapse development in the nascent cortical hierarchy.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

Endogenous peptide derived from c-Cbl-associated protein counteracts its inhibitory effect on enteric neural crest cell colonization in Hirschsprung disease.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

Drowsiness alters the neural dynamics but not the core computations of multisensory integration.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

A Matter of Parameters: Tailored Transcranial Focused Ultrasound Enhances Cortico-Thalamo-Cortical Circuit Resonance.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

Proactive visual and motor prioritization differentially scale with cue reliability.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
See all related articles

Visual contour interactions are key to perception. This study found a long-lasting suppression in cat visual cortex neurons, suggesting a mechanism for regulating visual input and preventing saturation.

Area of Science:

  • Neuroscience
  • Visual Perception
  • Computational Neuroscience

Background:

  • Visual contour perception is influenced by spatial and temporal context.
  • Interactions between contours explain phenomena like illusions, aftereffects, contrast adaptation, and masking.

Purpose of the Study:

  • To investigate the physiological mechanisms of visual contour interactions in the cat visual cortex.
  • To characterize the nature of neural responses to temporally separated visual stimuli.

Main Methods:

  • Single neuron recordings were performed in the visual cortex of cats.
  • Responses were measured using pairs of brief, stationary visual stimuli separated in time.

Main Results:

  • A long-lasting, orientation-selective suppression, termed "paired-pulse suppression," was observed.

Related Experiment Videos

  • This suppression was strongest at the neuron's preferred orientation but broadly tuned.
  • Most recorded cells exhibited some degree of response reduction.

    • Conclusions:

    • Paired-pulse suppression is a significant neural mechanism in visual processing.
    • This suppression may regulate the gain of visual input to cortical neurons.
    • The mechanism could prevent neuronal response saturation and positive feedback loops.