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

Brightness contrast and assimilation from patterned inducing backgrounds.

Sang Wook Hong1, Steven K Shevell

  • 1Department of Psychology, Visual Science Laboratories, University of Chicago, 940 East 57th Street, Chicago, IL 60637, USA.

Vision Research
|November 6, 2003
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

Gamma frequency transcranial alternating current stimulation over the visual cortex modulates contour integration.

Frontiers in cognition·2026
Same author

Perceptual resolution of ambiguity: A divisive normalization account for both interocular color grouping and difference enhancement.

Journal of vision·2026
Same author

Emergence of form-independent direction selectivity in human V3A and MT.

Journal of vision·2025
Same author

Perceptual Resolution of Ambiguity: Can Tuned, Divisive Normalization Account for both Interocular Similarity Grouping and Difference Enhancement.

bioRxiv : the preprint server for biology·2024
Same author

The role of pattern coherence in interocular grouping during binocular rivalry: Insights from individual differences.

Vision research·2024
Same author

The eveningness chronotype is associated with nightmare distress and dream recall: a cross-sectional study.

Sleep and biological rhythms·2024
Same journal

A new oculomotor model demystifies "Remarkable Saccades".

Vision research·2026
Same journal

Impact of crowding on visual appearance and performance in amblyopia.

Vision research·2026
Same journal

Editorial for VSI Amblyopia: Advances in Amblyopia Research.

Vision research·2026
Same journal

Computational and mathematical models in vision: Quantitative approaches to understanding visual perception.

Vision research·2026
Same journal

Complex interactions between lightness, chroma, and hue in color ensemble perception.

Vision research·2026
Same journal

Driving with autism spectrum disorder: Exploring the impact of tactile hazard warnings on gaze behavior and hazard responses.

Vision research·2026
See all related articles

Brightness perception is influenced by surrounding light, with complex patterns causing both contrast and assimilation effects. This suggests sophisticated neural processing beyond simple linear integration of visual information.

Area of Science:

  • Visual perception
  • Neuroscience
  • Computational modeling

Background:

  • Brightness induction theories explain visual perception based on local contrast or integrated surround contrast.
  • Existing models often assume linear integration of contrast, weighted by distance.

Purpose of the Study:

  • To investigate the mechanisms of brightness induction from complex patterned backgrounds.
  • To determine if linear integration models adequately explain observed brightness changes.

Main Methods:

  • Experimental measurements of brightness perception with patterned backgrounds.
  • Comparison of results against predictions from linear integration models.

Main Results:

  • Brightness induction depends on both contiguous and non-contiguous surrounding light.

Related Experiment Videos

  • Observed effects were inconsistent with simple linear integration of contrast.
  • Assimilation, not just contrast, was observed, influenced by non-contiguous region luminance.

    • Conclusions:

    • Neural processes for brightness induction can mediate both contrast and assimilation.
    • The interplay between contiguous and non-contiguous luminance is crucial.
    • Existing models may need refinement to account for these complex interactions.