frontal lobe

noun

: the anterior division of each cerebral hemisphere

Examples of frontal lobe in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The crash damaged a part of his brain, the right frontal lobe, which affected his ability to feel emotions. Isabella Wandermurem, Time, 11 Apr. 2025 The diagnosis of frontotemporal dementia, a brain disorder caused by degeneration of the brain's frontal lobe, comes nearly a year after Willis' family confirmed the movie icon, now 67, was stepping away from acting due to an aphasia diagnosis. Jay Stahl, USA TODAY, 22 Mar. 2025 The frontal lobe, also known as the prefrontal cortex, is involved in cognitive functioning including decision-making, personality and behavior, and impulsivity. Rachael O'Connor, Newsweek, 5 Mar. 2025 California doctors discovered a brain tumor under Delacruz's frontal lobe in 2010. Ralphie Aversa, USA Today, 3 Apr. 2025 See All Example Sentences for frontal lobe

Word History

First Known Use

1827, in the meaning defined above

Time Traveler
The first known use of frontal lobe was in 1827

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Cite this Entry

“Frontal lobe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/frontal%20lobe. Accessed 29 Apr. 2025.

Medical Definition

frontal lobe

noun
: the anterior division of each cerebral hemisphere having its lower part in the anterior fossa of the skull and bordered behind by the central sulcus

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