a brain in which the tracts connecting the two halves of the cerebral cortex have been surgically split or are missing from birth
split-brain in American English
(ˈsplɪtˈbrein)
adjective
having, involving, or pertaining to a severed corpus callosum
Word origin
[1955–60]This word is first recorded in the period 1955–60. Other words that entered Englishat around the same time include: backgrounder, geodesic dome, opioid, rollout, software
Examples of 'split brain' in a sentence
split brain
Researchers experimenting on split-brain sufferers showed them a series of lights, mainly green and occasionally red; the patients had to predict what came next.