cerebral cortex


Definition of cerebral cortex

: 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 In focusing their research on the cerebral cortex, neuroscientists have tended to emphasize the centrality of high-level cognition. Washington Post, "A brain researcher on what Freud got right," 26 Feb. 2021 Brain scans of the cerebral cortex reveal that humor inspires creativity and aids with critical thinking skills. Heather Greenwood Davis, Family, "LOL: Why laughter might really be the best medicine for kids," 22 Dec. 2020 Consciousness has long been thought to be localized in the cerebral cortex of smart primates—namely, chimps, bonobos and us humans. Bret Stetka, Scientific American, "Bird Brains Are Far More Humanlike Than Once Thought," 24 Sep. 2020 This group of neurons communicates with the cerebral cortex along two networks: a direct pathway that enhances movement and behavior, and an indirect pathway that inhibits them. Bob Jacobs, The Conversation, "The neural cruelty of captivity: Keeping large mammals in zoos and aquariums damages their brains," 24 Sep. 2020 Attached to it are 1,024 threadlike, flexible electrodes that extend down into the cerebral cortex, the outer layer of the brain responsible for numerous functions, including motor control and sensory feedback. Tanya Lewis, Scientific American, "Elon Musk’s Pig-Brain Implant Is Still a Long Way from ‘Solving Paralysis’," 2 Sep. 2020 For now, rather than attempting to target anything deep in the brain, implants will only target things near the surface of the cerebral cortex, the outermost layer at the front of the brain. John Timmer, Ars Technica, "Musk says that Neuralink implants are close to ready for human testing," 29 Aug. 2020 Cytokines produce inflammation, which is perceived as pain by the cerebral cortex of the brain. Sandee Lamotte, CNN, "Covid-19 or migraine? Here's how to tell and what to do about it," 22 June 2020 The myelin sheath is crucial for optimal transmission, but people begin to lose myelin in the cerebral cortex in their senior years. R. Douglas Fields, Scientific American, "The Brain Learns in Unexpected Ways," 12 Mar. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cerebral cortex.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of cerebral cortex

1853, in the meaning defined above

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Time Traveler for cerebral cortex

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The first known use of cerebral cortex was in 1853

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Last Updated

1 Mar 2021

Cite this Entry

“Cerebral cortex.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cerebral%20cortex. Accessed 8 Mar. 2021.

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More Definitions for cerebral cortex

cerebral cortex


Medical Definition of cerebral cortex

: 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

More from Merriam-Webster on cerebral cortex

Britannica English: Translation of cerebral cortex for Arabic Speakers

Britannica.com: Encyclopedia article about cerebral cortex

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