Determining levels of unawareness in dementia research

Melissa Lamar, Michael R. Lasarev, David J. Libon

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

Clinical methods used to determine unawareness in dementia exist; however, their applicability to empirical research is limited. The authors present a statistically derived approach to determining unawareness that addresses these limitations. Dementia patients (n = 32) completed an awareness questionnaire. On an identical questionnaire, collateral sources (relatives or friends; n = 32) provided their best estimate of participants' abilities. The authors compared cluster analysis, the proposed empirical approach, to a currently used standard deviation cutoff score approach. Cluster analysis included all participants, displayed sound statistical properties, and was more sensitive to between-group differences in psychotic symptoms than standard deviation cutoff. Cluster analysis appears more appropriate for understanding the overall spectrum of unawareness in dementia research.

Original languageEnglish (US)
Pages (from-to)430-437
Number of pages8
JournalJournal of Neuropsychiatry and Clinical Neurosciences
Volume14
Issue number4
DOIs
StatePublished - 2002
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Clinical Neurology
  • Psychiatry and Mental health

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