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

Saccadic compression can improve detection of Glass patterns.

Loredana Santoro1, David Burr, M Concetta Morrone

  • 1Istituto di Neurofisiologia del CNR, Via Moruzzi 1, Pisa 56010, Italy. loredana.santoro@physiol.ox.ac.uk

Vision Research
|June 5, 2002
PubMed
Summary

Visual spatial compression occurs during saccadic eye movements. This study shows that this compression can improve performance on visual tasks involving Glass patterns, particularly for horizontal stimuli before a saccade.

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

Is number a primary perceptual attribute?

i-Perception·2026
Same author

Continuous tracking of audiovisual motion.

Journal of vision·2025
Same author

Number adaptation: Reply.

Cognition·2024
Same author

Positive serial dependence in ratings of food images for appeal and calories.

Current biology : CB·2024
Same author

Sensorimotor mechanisms selective to numerosity derived from individual differences.

eLife·2024
Same author

Disambiguating vision with sound.

Current biology : CB·2024

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Visual Perception

Background:

  • Saccadic eye movements are rapid, ballistic movements of the eyes.
  • Briefly presented stimuli near saccades appear displaced towards the saccadic target, compressing visual space.
  • Previous research indicates visual space compression during saccades (Nature 386 (1997) 598).

Purpose of the Study:

  • To investigate if visual space compression aids performance in visual tasks.
  • To measure sensitivity to Glass patterns around the time of saccades.
  • To determine the effect of saccade-induced compression on visual task performance.

Main Methods:

  • Participants performed a visual task detecting horizontal and vertical Glass patterns.
  • Sensitivity was measured at different time points relative to saccadic eye movements.

Related Experiment Videos

  • Stimulus presentation occurred around the time of saccade execution.

    • Main Results:

    • Sensitivity to widely spaced horizontal Glass patterns improved before a horizontal saccade.
    • Sensitivity to vertical Glass patterns was impaired by the saccade.
    • Evidence supports saccade-directed compression at saccadic onset.

    Conclusions:

    • Visual space compression during saccades is not limited to positional displacement.
    • Saccade-related visual compression can enhance performance on specific visual tasks.
    • The visual system may utilize this compression to improve visual processing during eye movements.