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

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 Between ages 9 and 25, the prefrontal cortex and limbic system undergo stages of flux and reorganization. Erica Komisar, WSJ, "Therapeutic Narratives Needn’t Be Factual," 3 Oct. 2018 You are lulled into a hypnotic state that dulls the senses and the prefrontal cortex. Anne Slowey, Condé Nast Traveler, "Fear and Self-Loathing in the American Southwest," 25 July 2018 The medial prefrontal cortex, parts of the brain that allow humans to express ourselves, is shown in yellow. Sandee Lamotte, CNN, "Jazz improv and your brain: The key to creativity?," 29 Apr. 2018 The researchers aimed at the dorsolateral prefrontal cortex because dozens of small neuro-imaging studies have reported that in people deemed antisocial or aggressive or both, this region is typically smaller and less active than in other people. Sharon Begley, STAT, "Can zapping people’s brains reduce violence? Controversial study sees potential," 2 July 2018 This gives the prefrontal cortex space to breathe, so to speak, in the case of a split-second decision needed to be made. David Grossman, Popular Mechanics, "Scientists Examine Why Some Pilots Thrive Under Pressure, and Some Crack," 21 May 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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4 Jan 2019

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The first known use of prefrontal cortex was in 1900

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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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