Corpus callosotomy

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Corpus callosotomy is a surgical procedure that disconnects the cerebral hemispheres resulting in a condition which is called split-brain.

Most modern callosotomies involve only the anterior portion of the corpus callosum, reflecting the fact that the frontal and temporal lobes are the most commonly involved in the genesis of seizures. The deficits from this modified procedure are milder; some patients have no side effects whatsoever.

the corpus callosum is usually severed in order to stop epileptic seizures. once the sorpus callosum is cut, the brain is no longer capable of sending messages between the left and right hemispheres of the human brain. this does not have any major effect in everyday circumstances but when tested in particular situations, it is obvious that information does not transfer from one hemisphere to the other.