The same split-brain research that exposed shocking differences between the two hemispheres also revealed that the human left hemisphere has the interpreter.

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The split-brain research mentioned by Gazzaniga included showing a subject a different image in each eye, meaning the right and left halves of the brain were presented with different stimuli, with neither being aware of the other.

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In the study published Friday, Dr. Bastian, Pablo Celnik from Johns Hopkins University and colleagues studied healthy individuals and whether brain stimulation and split-belt treadmill training, used simultaneously, can speed up progress in smoothing out walking gaits.

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The title, Fissure, can refer to a crack in a rock, the split between the two hemispheres of the brain and the separation of two people.

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