Abstract
We investigated binocular rivalry in the twocerebral hemispheres of callosotomized(split-brain) observers. We found that rivalryoccurs for complex stimuli in split-brainobservers, and that it is similar in the twohemispheres. This poses difficulties for twotheories of rivalry: (1) that rivalry occursbecause of switching of activity between thetwo hemispheres, and (2) that rivalry iscontrolled by a structure in the rightfrontoparietal cortex. Instead, similar rivalryfrom the two hemispheres is consistent with atheory that its mechanism is low in the visualsystem, at which each hemisphere conducts asimilar analysis of its half of visual space.
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O'Shea, R.P., Corballis, P.M. Binocular Rivalry between Complex Stimuli in Split-Brain Observers. Brain and Mind 2, 151–160 (2001). https://doi.org/10.1023/A:1017989820832
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DOI: https://doi.org/10.1023/A:1017989820832