cortical
adjective
cor·ti·cal
ˈkȯr-ti-kəl 
1
: of, relating to, or consisting of cortex
2
: involving or resulting from the action or condition of the cerebral cortex
Examples of cortical in a Sentence
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The loss of neurons was at the cortical sulcal depths — the brain regions that undergo the highest mechanical forces during head impact injury, and where CTE first develops.
—
Rick Sobey, Boston Herald, 18 Sep. 2025
Studies using high-density EEG have shown that when posterior cortical regions are dominated by slow-wave activity, conscious experience is typically absent.
—Rachel Barr, Big Think, 20 Aug. 2025
The study only examined subcortical brain areas; obsessions may be more strongly represented in cortical areas, which weren’t measured here.
—New Atlas, 3 Aug. 2025
By analyzing the internal cortical thickness of the two fossils, the team was able to uncover how each of these ancient humans likely used their hands.
—Stephanie Edwards, Discover Magazine, 15 May 2025
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Rick Sobey, Boston Herald, 18 Sep. 2025
Studies using high-density EEG have shown that when posterior cortical regions are dominated by slow-wave activity, conscious experience is typically absent.
—Rachel Barr, Big Think, 20 Aug. 2025
The study only examined subcortical brain areas; obsessions may be more strongly represented in cortical areas, which weren’t measured here.
—New Atlas, 3 Aug. 2025
By analyzing the internal cortical thickness of the two fossils, the team was able to uncover how each of these ancient humans likely used their hands.
—Stephanie Edwards, Discover Magazine, 15 May 2025
See All Example Sentences for cortical
Cite this Entry
“Cortical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cortical. Accessed 24 Sep. 2025.
Copy CitationMedical Definition
cortical
adjective
cor·ti·cal
ˈkȯrt-i-kəl
1
: of, relating to, or consisting of cortex
cortical tissue
2
: involving or resulting from the action or condition of the cerebral cortex
cortical blindness
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