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Related Experiment Video

Updated: Jan 15, 2026

How to Create and Use Binocular Rivalry

How to Create and Use Binocular Rivalry

Published on: November 10, 2010

Attentional Eye Selection Affects Perception During Binocular Rivalry.

Zhangziyi Zhou¹, Chuan Hou¹

¹Smith-Kettlewell Eye Research Institute, San Francisco, CA, USA.

Translational Vision Science & Technology

|October 16, 2025

Summary

This summary is machine-generated.

Attentional eye selection influences which eye

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Area of Science:

Neuroscience
Visual Perception
Cognitive Psychology

Background:

Binocular rivalry involves alternating perception between dissimilar images shown to each eye.
Sensory eye dominance refers to the degree to which one eye's input dominates perception.

Purpose of the Study:

To investigate how attentional eye selection modulates sensory eye dominance during binocular rivalry.
To examine the effect of stimulus size on this modulation.

Main Methods:

Twelve participants viewed dichoptically presented gratings with different reversal rates.
Binocular rivalry was assessed across five stimulus sizes under conditions of no attention and attention directed to the non-sighting eye.
Perceptual alterations, dominance duration, and monocular/mixed percept proportions were measured.

Main Results:

Without attention, the sighting eye showed greater perceptual dominance.
Directing attention to the non-sighting eye shifted dominance toward that eye, particularly at 5° stimulus size.
Selective attention did not affect the proportion of mixed percepts.

Conclusions:

Voluntary attentional eye selection can modulate sensory eye dominance in binocular rivalry.
The extent of this modulation is dependent on stimulus size.