In extreme cases, surgically severing the corpus callosum is a treatment for which of the following conditions?

Schizophrenia

Epilepsy

Narcolepsy

Obsessive-compulsive disorder

Approach

Cutting the corpus calossum reduces the amount of signals that travel between the two brain halves. Epilepsy is a disorder characterized by excessive brain activity. Reducing the activity, or signals, may help.