frontal lobe


: the anterior division of each cerebral hemisphere

Examples of frontal lobe in a Sentence

Recent Examples on the Web The two foremost portions of the brain, the frontal lobe and the two temporal lobes help people plan, pay attention, multitask and make choices. Sam Walters, Discover Magazine, 4 July 2023 She was then admitted to a hospital in Canberra, where an MRI scan revealed something unusual in her right frontal lobe. Kirsty Hatcher, Peoplemag, 29 Aug. 2023 The frontal lobe of the brain, which is impacted by the disease, controls self-insight, which could speak to Willis’ difficulty in understanding the condition. William Earl, Variety, 25 Sep. 2023 Researchers suspect that in those with FTD, damage to the frontal lobes impairs the ability to suppress other brain activity, and their behavior becomes disinhibited and socially inappropriate. Robert Martone, Scientific American, 26 May 2023 According to the researchers, even this slight variation in the amino acid sequence of the protein causes a substantial increase in the number of basal radial glial cells, a type of brain progenitor cell present in the frontal lobe in the modern human brain. Sam Walters, Discover Magazine, 29 Sep. 2022 Teens don’t have fully formed frontal lobes, the part of the brain that controls impulse and judgment. Maida Lynn Chen, The Conversation, 25 Aug. 2023 In February, Willis' family shared he had been recently diagnosed with frontotemporal dementia, a brain disorder caused by degeneration of the brain's frontal lobe. USA TODAY, 15 Aug. 2023 In particular, the frontal lobe of the brain is where impulses are controlled. Alaa Elassar, CNN, 24 July 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'frontal lobe.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1879, in the meaning defined above

Time Traveler
The first known use of frontal lobe was in 1879

Dictionary Entries Near frontal lobe

Cite this Entry

“Frontal lobe.” Dictionary, Merriam-Webster, Accessed 8 Dec. 2023.

Medical Definition

frontal lobe

: 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

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