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prefrontal cortex
noun
: the gray matter of the anterior part of the frontal lobe that is highly developed in humans and plays a role in the regulation of complex cognitive, emotional, and behavioral functioning
Examples of prefrontal cortex in a Sentence
Recent Examples on the Web
Caffeine stimulates the prefrontal cortex of the brain, the executive function area where our ability to organize, choose where to direct attention, and a host of other important functions happen.
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Alison Escalante, Forbes, 22 Jan. 2025
Wait for it Kable looked for subjects with damage to three parts of the prefrontal cortex: the ventromedial prefrontal cortex, dorsomedial prefrontal cortex and anterior insula.
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Elizabeth Rayne, Ars Technica, 30 Dec. 2024
After birth, particles can also penetrate the prefrontal cortex—the part of the brain behind the forehead—after being inhaled through the nose.
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Debra Hendrickson, WIRED, 4 Jan. 2025
The ventromedial prefrontal cortex is involved with action control, memory, and making decisions.
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Elizabeth Rayne, Ars Technica, 30 Dec. 2024
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Word History
First Known Use
1892, in the meaning defined above
Time Traveler
The first known use of prefrontal cortex was
in 1892
Dictionary Entries Near prefrontal cortex
Cite this Entry
“Prefrontal cortex.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prefrontal%20cortex. Accessed 8 Feb. 2025.
Medical Definition
prefrontal cortex
noun
: the gray matter of the anterior part of the frontal lobe that is highly developed in humans and plays a role in the regulation of complex cognitive, emotional, and behavioral functioning
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