Most studies on split-brain patients are conducted on patients whose corpus callosum has been damaged:

Question

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Split-brain surgeries are typically performed to prevent the spread of epileptic seizures, especially those that are not responsive to medication. The corpus callosum is severed or removed in order to prevent the electrical signals from spreading and causing seizures on both sides of the brain. Therefore, most studies on split-brain patients are conducted on patients whose corpus callosum has been damaged for this specific purpose.

Most Studies on Split-Brain Patients Are Conducted on Patients Whose