prefrontal cortex

noun

Definition of prefrontal cortex

: 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

Anxiety is physiological, influenced by a delicate balance of hormones and the tug of war between the amygdala and the prefrontal cortex. Caroline Foran, Glamour, "No, You Don’t Have to ‘Justify’ Your Anxiety," 27 Mar. 2019 For decades in neuroscience, the most widely accepted model posited that short-term memories form rapidly in the hippocampus and are later transferred to the prefrontal cortex near the brain’s surface for long-term storage. Quanta Magazine, "Light-Triggered Genes Reveal the Hidden Workings of Memory," 14 Dec. 2017 But surprisingly, a handful of cells in the prefrontal cortex responded as well. Quanta Magazine, "Light-Triggered Genes Reveal the Hidden Workings of Memory," 14 Dec. 2017 Research has shown that your prefrontal cortex — the part responsible for factors like inhibition, high-level functioning, and attention — continues growing until around age 25. Nicole Saporita, Good Housekeeping, "The Science of How Your Body Ages," 29 May 2019 Surgeons sometimes had to excise a large belt of prefrontal cortex to remove tumors or to ameliorate epileptic seizures. Christof Koch, Scientific American, "What Is Consciousness?," 8 May 2018 The researchers focused their efforts on the prefrontal cortex, temporal cortex, and cerebellum, as these regions have been implicated in susceptibility to ASD. Diana Gitig, Ars Technica, "Autism involves a large-scale reduction in RNA editing," 21 Dec. 2018 Resting just above and behind the eyes, the prefrontal cortex helps people tame impulses. Ferris Jabr, Scientific American, "How the Brain Gets Addicted to Gambling," 14 May 2018 By contrast, areas at the very front of the brain, in the prefrontal cortex, aren’t completely mature until after adolescence. Alison Gopnik, WSJ, "For Babies, Life May Be a Trip," 18 July 2018

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

1900, in the meaning defined above

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Last Updated

5 Jul 2019

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The first known use of prefrontal cortex was in 1900

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More Definitions for prefrontal cortex

prefrontal cortex

noun

Medical Definition of prefrontal cortex

: 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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