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Related Experiment Video

Updated: May 8, 2026

How to Create and Use Binocular Rivalry

How to Create and Use Binocular Rivalry

Published on: November 10, 2010

Eye rivalry and object rivalry in the intact and split-brain.

Kay L Ritchie¹, Rachel L Bannerman, David J Turk

¹School of Psychology, University of Aberdeen, Aberdeen AB24 3FX, Scotland, United Kingdom.

Vision Research

|August 27, 2013

Summary

This summary is machine-generated.

Binocular rivalry research reveals that split-brain patients experience more visual asynchrony. Early visual communication isn't essential for rivalry synchrony, suggesting subcortical routes may play a role.

Keywords:

Binocular rivalry Split-brain

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Last Updated: May 8, 2026

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Published on: November 10, 2010

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A Large Lateral Craniotomy Procedure for Mesoscale Wide-field Optical Imaging of Brain Activity

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Published on: May 7, 2017

Area of Science:

Neuroscience
Visual Perception
Cognitive Psychology

Background:

Binocular rivalry involves competition between images presented to each eye.
Previous research indicates both image origin and image content influence rivalry.
The role of interhemispheric communication in binocular rivalry remains an area of investigation.

Purpose of the Study:

To investigate the impact of a severed corpus callosum on binocular rivalry.
To compare rivalry perception in split-brain patients versus controls using traditional and Diaz-Caneja stimuli.
To explore the necessity of early visual area communication for rivalry synchrony.

Main Methods:

Presented traditional (face/house) and Diaz-Caneja (split images) stimuli to a split-brain participant and controls.
Analyzed percept coherence (synchrony) versus non-synchrony in reported visual experiences.
Compared results between stimulus types and participant groups.

Main Results:

Split-brain participant showed more non-synchrony than controls with traditional stimuli.
Diaz-Caneja stimuli induced eye rivalry over object rivalry in all participants.
Severing the corpus callosum reduced, but did not eliminate, traditional rivalry synchrony.

Conclusions:

Interhemispheric communication via early visual areas is not essential for traditional rivalry synchrony.
Subcortical connections may mediate rivalry in traditional binocular rivalry.
Splitting stimuli across hemifields enhances eye rivalry, while callosal agenesis impacts traditional rivalry perception.