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Alzheimer disease is a chronic, progressive, and irreversible neurodegenerative disorder and the most common cause of dementia in older adults. It leads to gradual neuronal loss, causing cognitive decline, behavioral changes, and loss of functional independence.Risk Factors and EtiologyThe disease is multifactorial. Age is the strongest risk factor, with prevalence doubling every 5 years after age 65. Genetic factors include mutations in genes such as APP, PSEN1, and PSEN2, which are associated...
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Deficits in Everyday Function Differ in AD and FTD.

Lovingly Q Park1, Danielle Harvey, Julene Johnson

  • 1Departments of *Neurology §Public Health Sciences, University of California, Davis ∥Department of Social and Behavioral Sciences, Institute for Health & Aging ¶Department of Neurology, University of California, San Francisco, San Francisco †California Clinical Trials Medical Group/PAREXEL International, Glendale ‡Department of Graduate Psychology, Azusa Pacific University, Azusa, CA.

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This summary is machine-generated.

Alzheimer disease (AD) and frontotemporal dementia (FTD) present different everyday functional difficulties, despite similar global disability levels. AD impacts memory and visuospatial skills more, while FTD does not show greater executive function deficits.

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Area of Science:

  • Neuroscience
  • Gerontology
  • Cognitive Psychology

Background:

  • Alzheimer disease (AD) and frontotemporal dementia (FTD) are distinct neurodegenerative conditions.
  • Both AD and FTD lead to functional disability, but specific everyday functioning differences are not well understood.

Purpose of the Study:

  • To investigate and characterize the distinct profiles of everyday functional limitations in individuals with AD versus FTD.
  • To compare everyday cognitive abilities between AD and FTD patient groups.

Main Methods:

  • The study compared individuals diagnosed with AD (N=240) and FTD (N=13).
  • The Everyday Cognition (ECog) scale assessed distinct domains: memory, language, visuospatial ability, and executive functions.
  • A total ECog score measured global disability.

Main Results:

  • Both groups exhibited equivalent global disability levels.
  • Individuals with AD showed significantly worse performance in everyday memory and visuospatial abilities compared to the FTD group.
  • Contrary to hypotheses, the FTD group did not demonstrate greater impairments in everyday executive abilities.

Conclusions:

  • A differential pattern of everyday functional difficulties exists between Alzheimer disease and frontotemporal dementia.
  • These findings highlight the importance of considering specific cognitive profiles when assessing functional limitations in different dementia types.