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Premorbid personality characteristics in Alzheimer's disease: an exploratory case-control study.

Authors
  • Malinchoc, M
  • Rocca, W A
  • Colligan, R C
  • Offord, K P
  • Kokmen, E
Type
Published Article
Journal
Behavioural neurology
Publication Date
Jan 01, 1997
Volume
10
Issue
4
Pages
117–120
Identifiers
DOI: 10.3233/BEN-1997-10403
PMID: 24486822
Source
Medline
Keywords
License
Unknown

Abstract

Linking data from a case-control study of Alzheimer's disease with data from a Minnesota Multiphasic Personality Inventory (MMPI) outpatient study, we identified 13 Alzheimer's disease cases and 16 controls for case-control comparison. The mean time between personality testing and onset of Alzheimer's disease (or corresponding age for controls) was 13 years in cases and 14 years in controls. Alzheimer's disease cases, but not the controls, had scores significantly greater than the normative reference on MMPI scales measuring Social Introversion (p = 0.05), and Pessimism (p = 0.01). When compared to controls, Alzheimer's disease cases had significantly greater scores on the Social Introversion scale (p = 0.03). Despite the small sample size and some design limitations of this exploratory study, our findings may suggest that subjects who score higher on these personality scales have a greater risk of Alzheimer's disease.

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