Definition of "split-brain" []

• Of, relating to, or subjected to surgical separation of the hemispheres of the brain by severing the corpus callosum: split-brain operation to prevent epileptic seizures. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "He learned about so-called split-brain patients, people with severe epilepsy who had surgery cutting the connections between their left and right hemispheres."
• "Roger Sperry and Michael Gazzaniga have carried out a fascinating set of experiments on split-brain patients that demonstrates this."
• "Just like children, split-brain patients condemned Grace even if she put the poison in Sally's coffee unwittingly, and they did not fault her if Grace's attempt to poison Sally was foiled by incorrect labels on the sugar jar."