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Executive functions can help when deciding on the frontotemporal dementia diagnosis

Frontotemporal degeneration (FTD) is the overarching label used to describe a spectrum of neurodegenerative disorders characterized by relatively circumscribed frontal and temporal lobar atrophy that leads to profound changes in personality, behavior, or language. The dementia syndrome associated with FTD is usually divided into 2 broad categories: a language-based variant referred to as primary progressive aphasia1 and a behavioral variant frontotemporal dementia (bvFTD) in which changes in social cognition, behavior, and personality are the earliest and most prominent features.2 Although not as common as Alzheimer disease (AD), FTD is not rare and accounts for about 9% of all cases of dementia, and is particularly prevalent when the age at onset of dementia is younger than 65 years.3