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

The effect of blurring on intersecting-line illusions

G W Stuart, R H Day

    Perception
    |January 1, 1980
    PubMed
    Summary

    Blurring visual patterns with criss-crossing lines significantly reduces optical illusions like Orbison and Hering. This effect is primarily due to decreased luminance contrast in blurred images, confirming prior research.

    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

    A Country Doctor's First Case of Surgery.

    Daniel's Texas medical journal·2023
    Same author

    Mapping the evolving strain field during continental breakup from crustal anisotropy in the Afar Depression.

    Nature communications·2011
    Same author

    X-ray microradiographs of laser fusion targets: improved image analysis techniques.

    Applied optics·2010
    Same author

    Microradiographs of laser fusion targets: 2-D modeling and analysis.

    Applied optics·2010
    Same author

    X-ray calibration of RAR 2490 film for application to laser plasma experiments.

    Applied optics·2010
    Same author

    Reduced connectivity of the auditory cortex in patients with auditory hallucinations: a resting state functional magnetic resonance imaging study.

    Psychological medicine·2009

    Area of Science:

    • Visual Perception
    • Optical Illusions
    • Image Processing

    Background:

    • Certain geometric optical illusions, such as the Orbison and Hering illusions, are characterized by patterns of criss-crossing lines.
    • Previous research suggests a link between luminance contrast and the strength of visual illusions.

    Purpose of the Study:

    • To investigate the effect of blurring on visual illusions involving criss-crossing lines.
    • To determine the underlying mechanisms responsible for the reduction of these illusions when patterns are blurred.

    Main Methods:

    • Two experiments were conducted using various visual patterns, including those with and without criss-crossing lines.
    • Patterns were presented in both sharp and blurred conditions.
    • The magnitude of optical illusions was measured and compared between conditions.

    Main Results:

    • Blurring significantly reduced the perceived magnitude of illusions in patterns with criss-crossing lines.
    • This reduction was not observed in patterns lacking criss-crossing lines.
    • The effect of blurring was primarily attributed to a reduction in luminance contrast, consistent with prior findings.

    Conclusions:

    • The reduction of specific optical illusions by blurring is dependent on the presence of criss-crossing line elements.
    • Luminance contrast plays a crucial role in the manifestation of these geometric illusions.
    • Findings contribute to understanding the visual system's processing of spatial information and contrast.

    Related Experiment Videos