MMSE scores decline at a greater rate in frontotemporal degeneration than in AD

Tiffany W. Chow, Linda S. Hynan, Anne M. Lipton

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

The clinical diagnostic criteria for frontotemporal degeneration (FTD) include relative preservation of memory and visuospatial function, in contradistinction to characteristics of Alzheimer's disease (AD). The Mini-Mental State Examination (MMSE) contains items to assess these areas of cognition. In a retrospective case-control study of participants at two institutionally-based AD centers, we determined whether total MMSE and MMSE subscores would reflect the disease progression projected by the clinical criteria of FTD vs. AD. Participants were 44 subjects with FTD (7 pathologically confirmed) and 45 with pathologically confirmed AD. Each subject had at least two MMSEs with minimum inter-test intervals of 9 months. We compared annualized rates of change for total MMSE scores and cognitive domain subscores over time and between groups by two independent samples t-tests and proportion tests. The total MMSE score (p = 0.03) and language subscore (p = 0.02) showed a greater rate of decline for the FTD group than the AD group, although the constructional praxis item declined less rapidly in the FTD group (p = 0.018). Changes in MMSE subscores paralleled the clinical diagnostic criteria for FTD. The more rapid progression on the language subscore was observed in both language and behavioral variants of FTD.

Original languageEnglish (US)
Pages (from-to)194-199
Number of pages6
JournalDementia and Geriatric Cognitive Disorders
Volume22
Issue number3
DOIs
StatePublished - Aug 2006

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Alzheimer Disease
Language
Cognition
Disease Progression
Case-Control Studies

Keywords

  • Alzheimer's disease
  • Frontotemporal degeneration
  • Frontotemporal dementia
  • Mini-Mental State Examination

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Geriatrics and Gerontology

Cite this

MMSE scores decline at a greater rate in frontotemporal degeneration than in AD. / Chow, Tiffany W.; Hynan, Linda S.; Lipton, Anne M.

In: Dementia and Geriatric Cognitive Disorders, Vol. 22, No. 3, 08.2006, p. 194-199.

Research output: Contribution to journalArticle

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