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.
Researchers also highlight the role of brain processes, such as the frontal lobe’s ability to organize and justify events in how secrecy is rationalized and maintained. Mark Travers, Forbes.com, 11 Sep. 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. Edward Segarra, USA Today, 28 Aug. 2025 Six years later, scientists at Yale showed that at the precise moment of conscious awareness of stimuli, a wave of electrical activity flows from the visual cortex located at the rear of the brain to the frontal lobes. Big Think, 20 Aug. 2025 A lot of this [EP] is really around my frontal lobe developing. Ilana Kaplan, People.com, 1 Aug. 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

Browse Nearby Words

Cite this Entry

“Frontal lobe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/frontal%20lobe. Accessed 15 Sep. 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

More from Merriam-Webster on frontal lobe

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!