Doctors perform the split brain surgery to cure seizures, but then a new set of problems arises

The human brain is the most evolved brain in the entire animal kingdom. It is also the most complex organ of the body and the scientists are still studying it for its various effects and disorders. Our brain has two hemispheres and each hemisphere is responsible for a certain set of tasks. Both the hemispheres work in tandem by communicating with each other via a nerve bundle. The most common brain disorder that causes severe discomfort is seizures.

Seizures can be treated with medications, but if the epileptic activity continues, then as a last resort, a surgery is performed, which leads usually leads to another set of problems.

1 How the surgery helps the patients?

The split brain surgery is a surgery in which the corpus callosum, a bridge of nerves that connects the two hemispheres of the brain is severed. This nerve bundle helps the two hemispheres communicate with each other and process information that we take in during the day. Corpus Callosum is a bundle of nerves that connects the left and right hemispheres of the brain and their job is to transfer data from one hemisphere to another. Each of the hemispheres has control over some tasks that our body performs. How the tasks are divided amongst the hemispheres is still unknown to science. But as a thumb rule, the left side of the brain is responsible for analytical tasks like calculations and reading. The right hemisphere, however is better at reading a map or depth perception. Both the hemispheres usually work in tandem, communicating via the corpus callosum.

Doctors found out that severing this nerve bundle resulted in a complete stoppage of seizures in patient and all the symptoms of seizures also ended. But doctors who performed this surgery on patients, also found something that changed the behavior of patient drastically.

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