Cognitive Deficits in Asymptomatic First-Degree Relatives of Alzheimer's Disease Patients

J. Hom, M. B. Turner, R. Risser, F. J. Bonte, R. Tintner

Research output: Contribution to journalArticle

16 Scopus citations

Abstract

The present study was designed to determine whether neuropsychological deficits exist in asymptomatic first-degree relatives of Alzheimer's disease (AD) patients. The neuropsychological performances of 20 first-degree asymptomatic relatives of NINCDS-ADRDA diagnosed AD patients were compared to 20 normal controls without family history of AD. Cognitive functions assessed included intelligence, memory, overall brain function, verbal learning, and language and constructional abilities. Significant statistical differences were found between the groups across several cognitive areas indicating lower functioning in the first-degree relatives of AD patients. Fifty percent of the first-degree subjects but only 20% of controls showed a pattern of significant neuropsychological deficit. The results demonstrate neuropsychological deficits in asymptomatic first-degree relatives of AD patients, suggesting that preclinical markers for AD may be present long before the clinical manifestation of the disease.

Original languageEnglish (US)
Pages (from-to)568-576
Number of pages9
JournalJournal of Clinical and Experimental Neuropsychology
Volume16
Issue number4
DOIs
StatePublished - Aug 1 1994

ASJC Scopus subject areas

  • Clinical Psychology
  • Neurology
  • Clinical Neurology

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