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 The outer surface of the brain, covering both cerebral hemispheres and representing about half of the organ’s overall mass, is the cerebral cortex, which takes part in a range of functions including learning, reasoning, memory, decision-making, intelligence, personality, and emotion. TIME, 5 Feb. 2024 But with higher, sub-microliter resolution, neuroscientists should get a detailed look at the functional organization of groups of neurons in the cerebral cortex—the lobed upper areas of the brain—especially in layers or columns, said Dumoulin. IEEE Spectrum, 12 Dec. 2023 In the Cleveland Clinic study, the 12 patients all experienced strokes in the cerebral cortex—the outermost layer of the brain. Emily Mullin, WIRED, 22 Aug. 2023 Deep within the brain—in the areas of the hypothalamus, midbrain and hindbrain—the range of cell types is much greater than in the evolutionarily younger cerebral cortex. Karin Schlott, Scientific American, 18 Dec. 2023 Related: The work from Tosches and her colleagues has also prompted new discussions about whether the field should reconsider what a cerebral cortex is and which animals have one. Quanta Magazine, 14 Feb. 2023 When scientists removed rats’ cerebral cortex, the brain area that governs higher cognition, the animals still engaged in mock fighting—a behavior known to be associated with play in rodents. Timmy Broderick, Scientific American, 28 July 2023 So researchers at the Bernstein Center for Computational Neuroscience Berlin set out on a hunt underneath the cerebral cortex to find a control center for play in a new study published on Friday in Neuron. Timmy Broderick, Scientific American, 28 July 2023 In March 2022, a surgeon inserted four of these tiny sensors into Bennett’s cerebral cortex—the outermost layer of the brain. Emily Mullin, WIRED, 24 Aug. 2023

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Word History

First Known Use

1853, in the meaning defined above

Time Traveler
The first known use of cerebral cortex was in 1853

Dictionary Entries Near cerebral cortex

Cite this Entry

“Cerebral cortex.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cerebral%20cortex. Accessed 19 Apr. 2024.

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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