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Clin Neuropsychol. 2009 Jan;23(1):133-52. doi: 10.1080/13854040701819050. Epub 2008 Apr 8.

Dementia and effort test performance.

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  • 1Harbor-UCLA Medical Center, Neuropsychology Department, Torrance, CA 90509, USA. andydean1@msn.com

Abstract

Research on the performance of patients with dementia on tests of effort is particularly limited. We examined archival data from 214 non-litigating patients with dementia on 18 effort indices derived from 12 tests (WAIS-III/WAIS-R Digit Span and Vocabulary, Dot Counting Test, Warrington Recognition Memory Test-Words, WMS-III Logical Memory, Rey Word Recognition Memory Test, Finger Tapping, b-Test, Rey 15-Item, Test of Memory Malingering, Rey Auditory Verbal Learning Test, and Rey Complex Figure Test). Results indicated that recommended cut-offs for Digit Span indicators (Vocabulary Minus Digit Span and four-digit forward span time score) provided > or =90% specificity across participants, while the majority of other effort tests displayed specificities in the 30-70% range. Analyses of test specificity as a function of Mini Mental Status Examination (MMSE) score and specific dementia diagnosis are provided, as well as adjustments to cut-offs to maintain specificity where feasible.

PMID:
18609332
[PubMed - indexed for MEDLINE]
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