How did Michael Gazzaniga's and Roger Sperry's split-brain research differ?

Gazzaniga found that each hemisphere has specialized functions, and Sperry found that the brain cannot fully function without an intact corpus callosum.

Gazzaniga found that each hemisphere has its own memories, and Sperry found that each hemisphere processes emotions.

Gazzaniga found that each hemisphere has specialized functions, and Sperry found that each hemisphere has a mind of its own.

Gazzaniga found that each hemisphere fully functions totally independently, and Sperry found that each hemisphere has specialized functions.

Gazzaniga found that the brain cannot fully function without the corpus callosum, and Sperry found that each hemisphere has specialized functions.