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

Deriving behavioural receptive fields for visually completed contours.

J M Gold1, R F Murray, P J Bennett

  • 1Department of Psychology, University of Toronto, Canada.

Current Biology : CB
|June 6, 2000
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

Utility of zoom-based clinical interviews for automated facial emotion analysis.

Schizophrenia research·2026
Same author

A computational neuroimaging study of reinforcement learning and goal-directed exploration in schizophrenia spectrum disorders.

Psychological medicine·2023
Same author

Motivational deficits in schizophrenia relate to abnormalities in cortical learning rate signals.

Cognitive, affective & behavioral neuroscience·2018
Same author

Oxytocin and sexual function in males and females with schizophrenia.

Schizophrenia research·2018
Same author

Configurable NOR gate arrays from Belousov-Zhabotinsky micro-droplets.

The European physical journal. Special topics·2016
Same author

Latent structure of cognition in schizophrenia: a confirmatory factor analysis of the MATRICS Consensus Cognitive Battery (MCCB).

Psychological medicine·2015
Same journal

Pitch selectivity in ferret auditory cortex.

Current biology : CB·2026
Same journal

A cell size-dependent competition between geometry and polarity governs nuclear and spindle positioning in early embryos.

Current biology : CB·2026
Same journal

Trophic cascades drive sustainability in the agricultural heritage rice-fish coculture system.

Current biology : CB·2026
Same journal

Tracking Satb2-positive retinal ganglion cells in zebrafish unveils developmental functional reorganization.

Current biology : CB·2026
Same journal

RhoGAP54D promotes cell size asymmetry and inhibits pulsatile myosin activity in Drosophila neural stem cells.

Current biology : CB·2026
Same journal

Increased rates of hybridization in swordtails are associated with water pollution.

Current biology : CB·2026
See all related articles

The visual system uses illusory and occluded contours, perceived as complete objects, to recognize items. New research confirms these interpolated contours are actively used in object recognition tasks.

Area of Science:

  • Visual perception
  • Cognitive neuroscience
  • Computational vision

Background:

  • The visual system must identify objects from incomplete retinal images.
  • Illusory and occluded contours are thought to aid object completion.
  • Previous studies suggest similarity between perceived and real contours, but direct evidence of their use in tasks was lacking.

Purpose of the Study:

  • To directly investigate whether the visual system utilizes illusory and occluded contours for object recognition.
  • To provide empirical evidence for the role of visual completion in perceptual tasks.

Main Methods:

  • Employed a response-classification technique to derive 'classification images'.
  • Classification images reveal which stimulus parts observers use for perceptual decisions, acting as behavioral receptive fields.

Related Experiment Videos

  • Analyzed classification images to identify the use of interpolated contours.

    • Main Results:

    • Illusory and occluded contours were present in observers' classification images.
    • This provides the first direct evidence that interpolated contours are used in object recognition.
    • Demonstrates that visual processing operates on completed object representations.

    Conclusions:

    • The visual system actively uses perceptually interpolated contours (illusory and occluded) to recognize objects.
    • The response-classification technique is a powerful tool for studying visual completion.
    • Findings support models of visual processing that emphasize completed representations.