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

Analysis of spatial structure in eccentric vision.

J Saarinen1, J Rovamo, V Virsu

  • 1Department of Psychology, University of Helsinki, Finland.

Investigative Ophthalmology & Visual Science
|February 1, 1989
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

Rivaroxaban versus aspirin for secondary prevention of ischaemic stroke in patients with cancer: a subgroup analysis of the NAVIGATE ESUS randomized trial.

European journal of neurology·2020
Same author

Randomized clinical trial comparing surgery, endovenous laser ablation and ultrasound-guided foam sclerotherapy for the treatment of great saphenous varicose veins.

The British journal of surgery·2016
Same author

Rapid action in the Palaeogene, the relationship between phenotypic and taxonomic diversification in Coenozoic mammals.

Proceedings. Biological sciences·2012
Same author

Asymmetric beam deflection by doubly grooved binary gratings.

Applied optics·2010
Same author

High-efficiency diffractive waveguide lenses by parametric optimization.

Applied optics·2010
Same author

Double-ion-exchange process in glass for the fabrication of computer-generated waveguide holograms.

Applied optics·2010
Same journal

Impact of Subretinal Drusenoid Deposits on Ellipsoid Zone-Related Thickness Metrics.

Investigative ophthalmology & visual science·2026
Same journal

Proteomic Profiling of Optic Nerves From SMOX-Deficient Mice Identifies Regulators of Neuroinflammation and Axonal Damage in Optic Neuritis.

Investigative ophthalmology & visual science·2026
Same journal

Aflibercept and Faricimab Equipotently Restore Endothelial Barrier Function.

Investigative ophthalmology & visual science·2026
Same journal

Spatial Decomposition of Longitudinal RNFL Maps Reveals Distinct Modes of Glaucomatous Progression With Structure-Function and Genetic Signatures.

Investigative ophthalmology & visual science·2026
Same journal

The CXXC1-IGFBP6 Axis Maintains Corneal Epithelial Differentiation via H3K4me3-Dependent Transcriptional Activation.

Investigative ophthalmology & visual science·2026
Same journal

Archetypal Visual Field Analysis of Patients With Chronic Leber Hereditary Optic Neuropathy in Relation to Visual Recovery.

Investigative ophthalmology & visual science·2026
See all related articles

This study investigated how the human visual system perceives spatial structure in central and peripheral vision. Findings suggest a consistent scaling factor for discriminating pattern symmetry across different visual field locations.

Area of Science:

  • Visual perception
  • Spatial vision
  • Human psychophysics

Background:

  • Understanding spatial structure perception is crucial for visual science.
  • Central and eccentric vision processing may differ significantly.
  • Previous research on visual acuity provides a basis for spatial analysis.

Purpose of the Study:

  • To analyze the encoding of relative positions between pattern elements in central and eccentric vision.
  • To determine if spatial structure perception is consistent across the visual field.
  • To compare spatial scaling factors with existing models of visual acuity.

Main Methods:

  • A two-alternative forced-choice task was employed.
  • Observers discriminated between identical and mirror-symmetric patterns of line segments.

Related Experiment Videos

  • Psychometric functions were measured by varying pattern size at different eccentricities to find the 75% correct threshold.

    • Main Results:

    • A scaling factor was identified for discriminating pattern symmetry.
    • This scaling factor was found to be independent of visual field eccentricity.
    • The determined scaling factor closely matched previously proposed size-scaling for vernier acuity tasks.

    Conclusions:

    • The visual system employs a consistent mechanism for analyzing spatial structure regardless of location in the visual field.
    • Spatial structure perception, similar to vernier acuity, may follow a universal scaling principle.
    • These findings contribute to a broader understanding of visual processing efficiency across retinal eccentricities.