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Detection of mild cognitive deficits in Parkinson's disease patients with the WAIS–R NI

  • GUERRY M. PEAVY (a1), DAVID P. SALMON (a1), INGE BEAR (a1), JANE S. PAULSEN (a2), DEBORAH A. CAHN (a3), C. RICHARD HOFSTETTER (a1), EDITH F. KAPLAN (a4), DEAN C. DELIS (a5) (a6) and CLIFFORD W. SHULTS (a1) (a6)...

Abstract

The relative insensitivity of traditional IQ tests to mild cognitive deficits has led investigators to develop a version of the widely used Wechsler intelligence scales that allows quantitative analysis of underlying qualitative responses. This instrument, the Wechsler Adult Intelligence Scale–Revised as a Neuropsychological Instrument (WAIS–R NI) was administered to 16 Parkinson's disease (PD) patients and 30 normal controls (NC). The 2 groups did not differ significantly in mean age or education, or on their mean Mattis Dementia Rating Scale score. Relative to NC participants, PD patients showed decreased visual attention span, longer response latencies, slower visuomotor processing, and more stimulus-bound errors. Many of the WAIS–R NI measures were able to detect cognitive impairment in a greater percentage of patients than the traditional WAIS–R measures, making it easier to identify deficits that could affect quality of life early in the course of the disease. (JINS, 2001, 7, 535–543.)

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Corresponding author

Reprint requests to: Guerry Peavy, Ph.D., UCSD Alzheimer's Disease Research Center, 9500 Gilman Drive, Mail Code 0948, La Jolla, CA 92093-0948. E-mail: gpeavy@ucsd.edu

Keywords

Detection of mild cognitive deficits in Parkinson's disease patients with the WAIS–R NI

  • GUERRY M. PEAVY (a1), DAVID P. SALMON (a1), INGE BEAR (a1), JANE S. PAULSEN (a2), DEBORAH A. CAHN (a3), C. RICHARD HOFSTETTER (a1), EDITH F. KAPLAN (a4), DEAN C. DELIS (a5) (a6) and CLIFFORD W. SHULTS (a1) (a6)...

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