cerebral cortex

noun

: the convoluted surface layer of gray matter of the cerebrum that functions chiefly in coordination of sensory and motor information compare neocortex

Examples of cerebral cortex in a Sentence

Recent Examples on the Web
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Indeed, researchers have found that raccoon forepaws are mapped onto their cerebral cortex – the outer layer of the brain – in a similar manner as human hands. Kelly Lambert, Fortune, 16 Jan. 2026 Ralph Fiennes plays a black-market dealer of SQUIDS — devices that tap into a wearer’s cerebral cortex and fully capture their experiences so others can relive them. James Grebey, Vulture, 30 Dec. 2025 All addictive drugs increase dopamine in the striatum [a brain region beneath the cerebral cortex that is involved in motor and reward processing]. Lauren J. Young, Scientific American, 30 Dec. 2025 Looking at things on a biochemical level, the researchers used magnetic resonance spectroscopy to examine metabolites in the cerebral cortex. New Atlas, 21 Dec. 2025 See All Example Sentences for cerebral cortex

Word History

First Known Use

1839, in the meaning defined above

Time Traveler
The first known use of cerebral cortex was in 1839

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Cite this Entry

“Cerebral cortex.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cerebral%20cortex. Accessed 29 Jan. 2026.

Medical Definition

cerebral cortex

noun
: the convoluted surface layer of gray matter of the cerebrum that functions chiefly in coordination of sensory and motor information

called also pallium

see neocortex

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