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split-brain
split-brainadjectivehaving, involving, or pertaining to a severed corpus callosum.
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split brain
split brainnouna brain in which the tracts connecting the two halves of the cerebral cortex have been surgically split or are missing from birth
split-brain
Americanadjective
noun
Etymology
Origin of split-brain
First recorded in 1955–60
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
In the 1960s, Gazzaniga began conducting experiments in split-brain patients whose corpus callosum, which connects the two hemispheres, was absent.
From Salon ● May 26, 2025
This figure represents a split-brain individual processing information.
From Textbooks ● Jun. 9, 2022
This causes a condition called split-brain, which gives insights into unique functions of the two hemispheres.
From Textbooks ● Jun. 9, 2022
Although it gives a good conceptual footing for Erickson’s split-brain mystery, the whole severance thing doesn’t bear much inspection.
From Los Angeles Times ● Feb. 17, 2022
From the highest vantage point you can make out only the brain’s two big hemispheres, so I began with studies of split-brain patients and other discoveries that locate language in the left hemisphere.
From "The Sense of Style" by Steven Pinker
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However, in patients with a split brain, the left-brain interpreter could still create a narrative based on information the right brain had received independently.
From Salon ● May 26, 2025
So here is Nikki again, talking about not just the split brain, but also the cost to the split brain:
From Slate ● Sep. 29, 2023
“With the split brain, you essentially cut the brain in half, yet the person feels and acts as a whole,” Feinberg said.
From New York Times ● May 25, 2011
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.