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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.

The research showed a measurable decline in the performance of the prefrontal cortex between initial scans and five-year follow-ups.

From The Wall Street Journal • Apr. 14, 2026

Planning is for weaklings, rational analysis is disdained, the amygdala and the gut replace the cerebral cortex.

From Salon • Mar. 14, 2026

Even before I first saw the film during last year’s Sundance Film Festival, this one-line elevator pitch was taking up all the space in my prefrontal cortex.

From Salon • Feb. 18, 2026

The network is located within the motor cortex, the area of the brain responsible for controlling body movements.

From Science Daily • Feb. 8, 2026

Finally she says, “Someone instruct Ms. Prior as to what the prefrontal cortex does.”

From "Insurgent" by Veronica Roth




Vocabulary lists containing cortex