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

Visual grouping on binocular rivalry in a split-brain observer.

Robert P O'Shea1, Paul M Corballis

  • 1Department of Psychology, University of Otago, P.O. Box 56, Dunedin, New Zealand. r_oshea@otago.ac.nz

Vision Research
|December 8, 2004
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

Acoustic Features of Emotional Vocalizations Account for Early Modulations of Event-Related Brain Potentials.

Psychophysiology·2026
Same author

When perception meets grief: how the brain reconstructs person networks in response to absence.

Social cognitive and affective neuroscience·2025
Same author

Linking the Behavioral and Neural Correlates of Cognitive Control: Evidence From the Eriksen Flanker Task.

Psychophysiology·2025
Same author

A multilab investigation into the N2pc as an indicator of attentional selectivity: Direct replication of Eimer (1996).

Cortex; a journal devoted to the study of the nervous system and behavior·2025
Same author

Attention is required for canonical brain signature of prediction error despite early encoding of the stimuli.

PLoS biology·2023
Same author

All-or-none neural mechanisms underlying face categorization: evidence from the N170.

Cerebral cortex (New York, N.Y. : 1991)·2022
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
Same journal

Early visual processing in adults with ADHD: evidence from contrast sensitivity, spatial integration, and external noise.

Vision research·2026
Same journal

Pupil reflexes generate the peripheral drift illusion due to ON/OFF motion responses.

Vision research·2026
Same journal

Perceived direction of glass patterns can flip by 90°: A neural model.

Vision research·2026
See all related articles

Visual grouping aids binocular rivalry perception, even in split-brain patients. Contours from opposite eyes can merge, but rivalry processing remains independent between hemispheres.

Area of Science:

  • Neuroscience
  • Visual Perception
  • Split-Brain Research

Background:

  • Binocular rivalry occurs when dissimilar images are presented to each eye.
  • Previous research suggests visual grouping influences rivalry perception in intact brains.

Observation:

  • This study examined binocular rivalry in a split-brain observer (JW) using traditional and Diaz-Caneja stimuli.
  • Diaz-Caneja stimuli, where parts of an image are shown to each eye, resulted in fewer and briefer rivalry episodes.
  • Rivalry synchronization was observed for stimuli within the same visual hemifield but not across opposite hemifields.

Findings:

  • Split-brain observer JW showed that visual grouping allows contours from one eye to merge with the other, creating coherent percepts.
  • This cross-hemispheric grouping effect occurred even in JW's isolated hemispheres.

Related Experiment Videos

  • Rivalry processing was found to be independent between JW's left and right hemispheres.

    • Implications:

    • Visual grouping can overcome interocular suppression to create unified perceptions, even with separated hemispheres.
    • The findings suggest that binocular rivalry is processed independently within each cerebral hemisphere.
    • This research provides insights into the neural mechanisms underlying visual perception and interhemispheric communication.