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

Contrast discrimination function: spatial cuing effects

J A Solomon1, N Lavie, M J Morgan

  • 1Institute of Ophthalmology, London, UK.

Journal of the Optical Society of America. A, Optics, Image Science, and Vision
|September 18, 1997
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

First Results on the Search for Lepton Number Violating Neutrinoless Double-β Decay with the LEGEND-200 Experiment.

Physical review letters·2026
Same author

On the coupling and decoupling of mind wandering and perception: a shared metabolism account.

Cerebral cortex communications·2023
Same author

Budd-Chiari-like syndrome in a dog secondary to a gunshot wound treated with balloon angioplasty and endovascular stent placement.

Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2023
Same author

Factors limiting quantitative phase retrieval in atomic-resolution differential phase contrast scanning transmission electron microscopy using a segmented detector.

Ultramicroscopy·2022
Same author

Axion Dark Matter Experiment: Detailed design and operations.

The Review of scientific instruments·2022
Same author

Lagged recovery of fish spatial distributions following a cold-water perturbation.

Scientific reports·2021
Same journal

Multi-module collaborative optimization-driven fast speckle correlation imaging in variable environments.

Journal of the Optical Society of America. A, Optics, image science, and vision·2026
Same journal

Secrecy performance analysis of NOMA-UWOC systems over a vertically stratified WGG oceanic turbulence channel.

Journal of the Optical Society of America. A, Optics, image science, and vision·2026
Same journal

Backscattering of plane waves in a composite system containing a rough surface and anisotropic scatterers.

Journal of the Optical Society of America. A, Optics, image science, and vision·2026
Same journal

Aspherical surface construction methods based on extended Jacobi polynomials.

Journal of the Optical Society of America. A, Optics, image science, and vision·2026
Same journal

OCT sidelobe suppression method based on dual-path phase sinusoidal modulation and minimum value fusion.

Journal of the Optical Society of America. A, Optics, image science, and vision·2026
Same journal

Optical design concepts using wavelength-selective diffractive optics to enable miniaturized multimodal endoscopic imaging across separated spectral ranges.

Journal of the Optical Society of America. A, Optics, image science, and vision·2026
See all related articles

Spatial cuing improves contrast discrimination performance, except at very low pedestal contrasts. This visual perception enhancement suggests spatial attention significantly influences how we detect visual changes.

Area of Science:

  • Visual perception
  • Psychophysics
  • Computational neuroscience

Background:

  • Spatial attention is crucial for visual processing.
  • Contrast discrimination is a fundamental measure of visual sensitivity.
  • Pedestal contrast effects can alter performance in visual tasks.

Purpose of the Study:

  • To investigate the impact of spatial cuing on contrast discrimination.
  • To compare discrimination thresholds with and without spatial cues.
  • To model the observed effects using a spatial-uncertainty framework.

Main Methods:

  • Measuring discrimination thresholds for increments and decrements.
  • Varying target pedestal contrast levels.
  • Employing a spatial cuing paradigm.

Related Experiment Videos

  • Comparing cued and uncued performance.

    • Main Results:

    • Discrimination thresholds were lower with spatial cues, except near zero pedestal contrast.
    • Uncued thresholds increased monotonically with pedestal contrast.
    • Cued thresholds exhibited a dipper function pattern relative to pedestal contrast.

    Conclusions:

    • Spatial cuing significantly enhances contrast discrimination.
    • The observed pattern suggests a role for spatial uncertainty in visual perception.
    • A spatial-uncertainty model with nonlinear transduction accurately predicts the empirical findings.