A number of people with severe cases of epilepsy have split-brain operations in which much of __________ is severed.

Question

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Split-brain operations involve severing the corpus callosum, which is the bundle of nerve fibers that connects the left and right hemispheres of the brain. This procedure is often used to treat severe cases of epilepsy in which seizures are originating from both sides of the brain. By severing the corpus callosum, the seizures are contained to one hemisphere and may be more easily managed.

A Number of People with Severe Cases of Epilepsy Have