When metacognition fails: Impaired awareness of deficit in alzheimer's disease

S. M. McGlynn, A. W. Kaszniak

Research output: Contribution to journalArticle

122 Scopus citations

Abstract

Two new measures were developed to assess quantitatively the degree to which patients with Alzheimer's disease (AD) are aware of their memory deficit, and to evaluate the relation between dementia severity and awareness of deficit. Results of a questionnaire measure indicated that AD patients rated their own difficulties with cognitive activities of daily life significantly lower than relatives rated patients' problems, and this discrepancy was related to patients' dementia severity. On another measure involving task performance predictions, AD patients were inaccurate in predicting their performance on most cognitive tasks when compared to both their actual performance and relatives' predictions, despite generally accurate prediction of their relatives' performance on the same tasks. These results are discussed in terms of a breakdown in metacognitive processes.

Original languageEnglish (US)
Pages (from-to)183-189
Number of pages7
JournalJournal of cognitive neuroscience
Volume3
Issue number2
DOIs
StatePublished - 1991

ASJC Scopus subject areas

  • Cognitive Neuroscience

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