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Definitions

cortex

[kawr-teks] / ˈkɔr tɛks /
NOUN
protective layer
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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Unlike mammals, birds do not have a cerebral cortex organized into layers.

From Science Daily ● Nov. 12, 2026

This approach could offer a potential solution for people whose visual pathways have been damaged but whose visual cortex can still respond to stimulation.

From Science Daily ● Nov. 12, 2026

Instead of depending on the eyes or optic nerves, they deliver electrical signals directly to the visual cortex.

From Science Daily ● Nov. 12, 2026

The scans showed that greater tau buildup in the frontal cortex was associated with a breakdown in the longer traveling waves normally seen during deep sleep.

From Science Daily ● Nov. 5, 2026

If Phineas survived with a large piece of his cortex destroyed, then what does the cortex do?

From "Phineas Gage" by John Fleischman

"Both the frontal and posterior temporal cortexes disrupt semantic integration, which we see happen in individuals with various aphasias," Murphy said.

From Science Daily ● Oct. 24, 2023

Prefrontal cortexes, responsible for impulse control, don’t finish developing until the mid-20s.

From Washington Post ● May 27, 2022

I think the thing now is the way we are stressed by putting these excessive demands on our very powerful prefrontal cortexes, which I think is more of what makes us human than language.

From Salon ● Dec. 13, 2021

A select number of Americans, it should be noted, don’t even own a flat-screen, tablet or other instrument of destruction delivering all this rottery into our cerebral cortexes.

From Seattle Times ● Aug. 29, 2021

“In fact, it is one of the largest lateral prefrontal cortexes I’ve ever seen. Yet the orbitofrontal cortex is remarkably small. What do these two facts indicate?”

From "Insurgent" by Veronica Roth

Research has shown that the premotor and posterior parietal cortices, along with the temporoparietal junction, are active in the brain when we are locating or thinking about ourselves.

From Salon ● May 26, 2025

Sensory cortices on the other hand play an important role in how we perceive our environment and make appropriate movements, and how our brains determine what to focus on and what to ignore.

From Science Daily ● Nov. 21, 2024

The workspace is a network of cortical neurons in the front of the brain, with long-range projections to similar neurons distributed all over the neocortex in prefrontal, parietotemporal and cingulate associative cortices.

From Scientific American ● Sep. 8, 2023

In one 2022 study, Fani, Harnett and their colleagues reported that among 81 Black women who had experienced trauma, those who reported experiencing more racial discrimination showed proportionally thinner gray matter in the cingulate cortices.

From Washington Post ● Feb. 16, 2023

Do the cortices not enter into lamentatory conversation, taking the impress of exteriorities?

From "The Astonishing Life of Octavian Nothing, Traitor to the Nation, Volume I: The Pox Party" by M.T. Anderson


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