One treatment for severe epilepsy is to surgically sever the connection between the hemispheres of the cerebrum. What structure is severed in this procedure?

• A. Corpus callosum.
• B. Pons.
• C. Cerebral cortex.
• D. Midbrain.

Answer: (A)

Verified step by step guidance

1. Understand the context: The problem involves a surgical procedure used to treat severe epilepsy by severing a connection in the brain.
2. Identify the key term: The procedure involves severing the connection between the hemispheres of the cerebrum.
3. Recall relevant brain structures: The cerebrum's hemispheres are connected by a specific structure that facilitates communication between them.
4. Recognize the correct structure: The corpus callosum is the major structure that connects the left and right hemispheres of the cerebrum.
5. Conclude the solution: The structure severed in this procedure to treat severe epilepsy is the corpus callosum.