frontotemporal dementia

American  

[fruhn-toh-tem-per-uhl di-men-shuh, dih-men-shee-uh] / ˌfrʌn toʊˈtɛm pər əl dɪˈmɛn ʃə, dɪˈmɛn ʃi ə /

noun

1. one of several brain disorders caused by degeneration of the frontal and/or temporal lobes of the brain and associated with behavioral changes, such as loss of inhibition, or with language impairment, such as difficulty finding words or the loss of one’s ability to speak fluently and grammatically. FTD

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Etymology

Origin of frontotemporal dementia

First recorded in 1890–95; fronto- ( def. ) + temporal ² ( def. )

Example Sentences

See Examples For:

frontotemporal dementia

The test subjects—patients diagnosed with a rare brain disease called frontotemporal dementia, or FTD—sat in a room with a chair and a television and each was given headphones.

From The Wall Street Journal ● Sep. 18, 2026

Nearly 7 million Americans have dementia — the actor Bruce Willis, who has frontotemporal dementia, is merely the most famous — and as many as 57 million people worldwide.

From MarketWatch ● Mar. 7, 2026

When tau forms clumps, it damages and eventually kills neurons, contributing to conditions such as frontotemporal dementia and Alzheimer's disease.

From Science Daily ● Mar. 3, 2026

Three years after his diagnosis of frontotemporal dementia, Marc’s thoughts are a jumble he can’t sort out alone.

From Los Angeles Times ● Sep. 7, 2025

Dr Malpetti said people with frontotemporal dementia were often misdiagnosed.

From BBC ● Apr. 7, 2025