The split-brain preparation is described as ablation of the corpus callosum and the optic chiasm essentially stopping all communication between the two hemispheres.

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The split-brain preparation involves cutting or severing the corpus callosum, which is a band of nerve fibers that connects the two hemispheres of the brain. This stops communication between the two hemispheres, but the optic chiasm (which is responsible for the crossover of visual information from each eye) is not usually ablated.

The Split-Brain Preparation Is Described as Ablation of the Corpus