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The mini-mental state examination in behavioral variant frontotemporal dementia and primary progressive aphasia

Jason E Osher1, Alissa H Wicklund, Alfred Rademaker

  • 1Department of Psychiatry and Behavioral Sciences, Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA. jason-osher@northwestern.edu

American Journal of Alzheimer'S Disease and Other Dementias
|January 2, 2008
PubMed

Insights

The Mini-Mental State Examination (MMSE) may overestimate dementia severity in primary progressive aphasia (PPA) but offers a more accurate measure of functional impairment in behavioral variant frontotemporal dementia (bvFTD).

Area of Science:

  • Neurology
  • Gerontology
  • Psychometrics

Background:

  • Limited data exists on the Mini-Mental State Examination's (MMSE) utility for tracking non-Alzheimer's disease dementia progression.
  • Behavioral variant frontotemporal dementia (bvFTD) and primary progressive aphasia (PPA) are nonamnestic dementia syndromes with distinct clinical features.

Purpose of the Study:

  • To evaluate the Mini-Mental State Examination's (MMSE) effectiveness in assessing disease severity and progression in behavioral variant frontotemporal dementia (bvFTD) and primary progressive aphasia (PPA).

Main Methods:

  • Retrospective analysis of data from 41 bvFTD patients and 30 PPA patients.
  • Correlation of changes in MMSE scores with changes in activities of daily living (ADL) measures over time.

Main Results:

  • In bvFTD patients, MMSE score changes correlated significantly with ADL changes.
  • PPA patients exhibited a greater decline in MMSE scores compared to ADL scores over time.
  • MMSE scores may overestimate dementia severity in PPA due to language dependency.

Conclusions:

  • The MMSE may be a more reliable indicator of functional impairment in bvFTD, reflecting executive and attentional deficits.
  • The MMSE's language dependency may lead to an overestimation of dementia severity in PPA patients.
  • Further research is needed to validate MMSE utility across diverse dementia types.

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