neocortex

noun
neo·​cor·​tex | \ ˌnē-ō-ˈkȯr-ˌteks How to pronounce neocortex (audio) \

Definition of neocortex

: the large 6-layered dorsal region of the cerebral cortex that is unique to mammals broadly : the mammalian cerebral cortex

Examples of neocortex in a Sentence

Recent Examples on the Web Previous studies have shown that ARHGAP11B, when unnaturally expressed in mice and ferrets, also caused an enlargement of the neocortex. Tim Childers, Popular Mechanics, "Uh-Oh, Scientists Used Human Genes to Make Monkey Brains Bigger," 16 Nov. 2020 But their lack of a neocortex—the area of the mammalian brain where working memory, planning, and problem solving happen—has long puzzled scientists. Virginia Morell, Science | AAAS, "Newfound brain structure explains why some birds are so smart—and maybe even self-aware," 24 Sep. 2020 Scientists have long known that crows and ravens have unusually large forebrains, but unlike mammals’ forebrains — the neocortex — corvids’ do not have the six connected layers thought to produce higher intelligence. Sharon Begley, STAT, "Brainiacs, not birdbrains: Crows possess higher intelligence long thought a primarily human attribute," 24 Sep. 2020 The idea that the DVR was somehow related to the neocortex was proposed in the 1960s by neuroscientist Harvey Karten. Bret Stetka, Scientific American, "Bird Brains Are Far More Humanlike Than Once Thought," 24 Sep. 2020 That value as a natural group size relates to the size of the brain's neocortex, which is involved in sensory perception, motor commands, spatial reasoning, language and conscious thought. Kristen Rogers, CNN, "The pandemic threatens how we naturally grow and benefit from relationships," 25 Aug. 2020 The pattern suggests that this regulatory process, which, like deception, is managed by the neocortex, may be a prerequisite for successful lying. Theodor Schaarschmidt, Scientific American, "The Art of Lying," 11 July 2018 In 2010, the researchers mapped out the vascular network covering the surface of the neocortex in rats and mice, the outer layer of the cerebral cortex. Quanta Magazine, "In Natural Networks, Strength in Loops," 14 Aug. 2013 The neocortex—the part of the brain that evolved most recently—is critical to this ability. Theodor Schaarschmidt, Scientific American, "The Art of Lying," 11 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'neocortex.' 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 neocortex

1909, in the meaning defined above

History and Etymology for neocortex

borrowed from German Neocortex, from neo- neo- + Cortex cortex; from its being the cortex of the phylogenetically most recently developed part of the brain

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Time Traveler for neocortex

Time Traveler

The first known use of neocortex was in 1909

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Statistics for neocortex

Last Updated

26 Nov 2020

Cite this Entry

“Neocortex.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neocortex. Accessed 16 Jan. 2021.

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More Definitions for neocortex

neocortex

noun
neo·​cor·​tex | \ ˌnē-ō-ˈkȯr-ˌteks How to pronounce neocortex (audio) \
plural neocortices\ -​ˈkȯrt-​ə-​ˌsēz How to pronounce neocortex (audio) \ or neocortexes

Medical Definition of neocortex

: the large 6-layered dorsal region of the cerebral cortex that is unique to mammals broadly : the mammalian cerebral cortex

More from Merriam-Webster on neocortex

Britannica.com: Encyclopedia article about neocortex

Comments on neocortex

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