Estimating premorbid IQ in the prodromal phase of a neurodegenerative disease

David Craufurd; Noelle E. Carlozzi; Julie C. Stout; James A. Mills; Kevin Duff; Leigh J. Beglinger; Elizabeth H. Aylward; Kathryn B. Whitlock; Andrea C. Solomon; Sarah Queller; Douglas R. Langbehn; Shannon A. Johnson; Jane S. Paulsen

doi:10.1080/13854046.2011.577811

Estimating premorbid IQ in the prodromal phase of a neurodegenerative disease

David Craufurd, Noelle E. Carlozzi, Julie C. Stout, James A. Mills, Kevin Duff, Leigh J. Beglinger, Elizabeth H. Aylward, Kathryn B. Whitlock, Andrea C. Solomon, Sarah Queller, Douglas R. Langbehn, Shannon A. Johnson, Jane S. Paulsen

Research output: Contribution to journal › Article › peer-review

Abstract

Estimates of premorbid intellect are often used in neuropsychological assessment to make inferences about cognitive decline. To optimize the method of controlling for premorbid intellect in assessments of prodromal neurodegenerative disease, we examined performance on the American National Adult Reading Test (ANART; administered during Years 1 and 3) and the two-subtest version of the Wechsler Abbreviated Scale of Intelligence (WASI; administered in Years 2 and 4) in an ongoing prospective longitudinal study of 371 participants with prodromal Huntington disease and 51 participants with normal CAG repeats. Although both measures performed similarly, the ANART demonstrated slightly lower variability in performance over a 2-year period and had slightly higher test-retest reliability than the WASI. © 2011 Psychology Press.

Original language	English
Pages (from-to)	757-777
Number of pages	20
Journal	Clinical Neuropsychologist
Volume	25
Issue number	5
DOIs	https://doi.org/10.1080/13854046.2011.577811
Publication status	Published - Jul 2011

Keywords

Assessment
Huntington disease
Intelligence
Neuropsychological assessment
Premorbid IQ
Prodromal neurodegenerative disease

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Craufurd, D., Carlozzi, N. E., Stout, J. C., Mills, J. A., Duff, K., Beglinger, L. J., Aylward, E. H., Whitlock, K. B., Solomon, A. C., Queller, S., Langbehn, D. R., Johnson, S. A., & Paulsen, J. S. (2011). Estimating premorbid IQ in the prodromal phase of a neurodegenerative disease. Clinical Neuropsychologist, 25(5), 757-777. https://doi.org/10.1080/13854046.2011.577811

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abstract = "Estimates of premorbid intellect are often used in neuropsychological assessment to make inferences about cognitive decline. To optimize the method of controlling for premorbid intellect in assessments of prodromal neurodegenerative disease, we examined performance on the American National Adult Reading Test (ANART; administered during Years 1 and 3) and the two-subtest version of the Wechsler Abbreviated Scale of Intelligence (WASI; administered in Years 2 and 4) in an ongoing prospective longitudinal study of 371 participants with prodromal Huntington disease and 51 participants with normal CAG repeats. Although both measures performed similarly, the ANART demonstrated slightly lower variability in performance over a 2-year period and had slightly higher test-retest reliability than the WASI. {\textcopyright} 2011 Psychology Press.",

keywords = "Assessment, Huntington disease, Intelligence, Neuropsychological assessment, Premorbid IQ, Prodromal neurodegenerative disease",

author = "David Craufurd and Carlozzi, {Noelle E.} and Stout, {Julie C.} and Mills, {James A.} and Kevin Duff and Beglinger, {Leigh J.} and Aylward, {Elizabeth H.} and Whitlock, {Kathryn B.} and Solomon, {Andrea C.} and Sarah Queller and Langbehn, {Douglas R.} and Johnson, {Shannon A.} and Paulsen, {Jane S.}",

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doi = "10.1080/13854046.2011.577811",

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AU - Beglinger, Leigh J.

AU - Aylward, Elizabeth H.

AU - Whitlock, Kathryn B.

AU - Solomon, Andrea C.

AU - Queller, Sarah

AU - Langbehn, Douglas R.

AU - Johnson, Shannon A.

AU - Paulsen, Jane S.

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N2 - Estimates of premorbid intellect are often used in neuropsychological assessment to make inferences about cognitive decline. To optimize the method of controlling for premorbid intellect in assessments of prodromal neurodegenerative disease, we examined performance on the American National Adult Reading Test (ANART; administered during Years 1 and 3) and the two-subtest version of the Wechsler Abbreviated Scale of Intelligence (WASI; administered in Years 2 and 4) in an ongoing prospective longitudinal study of 371 participants with prodromal Huntington disease and 51 participants with normal CAG repeats. Although both measures performed similarly, the ANART demonstrated slightly lower variability in performance over a 2-year period and had slightly higher test-retest reliability than the WASI. © 2011 Psychology Press.

AB - Estimates of premorbid intellect are often used in neuropsychological assessment to make inferences about cognitive decline. To optimize the method of controlling for premorbid intellect in assessments of prodromal neurodegenerative disease, we examined performance on the American National Adult Reading Test (ANART; administered during Years 1 and 3) and the two-subtest version of the Wechsler Abbreviated Scale of Intelligence (WASI; administered in Years 2 and 4) in an ongoing prospective longitudinal study of 371 participants with prodromal Huntington disease and 51 participants with normal CAG repeats. Although both measures performed similarly, the ANART demonstrated slightly lower variability in performance over a 2-year period and had slightly higher test-retest reliability than the WASI. © 2011 Psychology Press.

KW - Assessment

KW - Huntington disease

KW - Intelligence

KW - Neuropsychological assessment

KW - Premorbid IQ

KW - Prodromal neurodegenerative disease

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JO - Clinical Neuropsychologist

JF - Clinical Neuropsychologist

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ER -

Estimating premorbid IQ in the prodromal phase of a neurodegenerative disease

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Keywords

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