What does split-brain research via corpus callosum severing demonstrate?

• A. Severing the corpus callosum reveals differences in processing between hemispheres, supporting hemispheric specialization and the role of interhemispheric communication.
• B. It eliminates all memory and language functions.
• C. It doubles the speed of information transfer between hemispheres.
• D. It has no observable effect on behavior.

Answer: (A)