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A validated WAIS-IV...
A validated WAIS-IV short-form to estimate intellectual functioning in myotonic dystrophy type 1
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Garmendia, Joana (author)
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Labayru, Garazi (author)
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Aliri, Jone (author)
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- Winblad, Stefan, 1966 (author)
- Gothenburg University,Göteborgs universitet,Psykologiska institutionen,Department of Psychology
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Angeard, Nathalie (author)
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López de Munain, Adolfo (author)
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Sistiaga, Andone (author)
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(creator_code:org_t)
- Elsevier BV, 2022
- 2022
- English.
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In: Neuromuscular Disorders. - : Elsevier BV. - 0960-8966 .- 1873-2364. ; 32:9, s. 749-753
- Related links:
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Currently, no rapid and specific instrument is available to briefly estimate intelligence in patients with myotonic dystrophy type 1 (DM1), a multisystemic disease that involves the CNS and is associated with cognitive deficits and low intellectual functioning. This study aimed to develop a DM1-specific and valid short-form of the Wechsler Adult Intelligence Scale-Fourth Edition (WAIS-IV) to estimate intellectual functioning in this population. Thirty non-congenital DM1 patients (10 female; mean age=46.77; SD= 9.76) were assessed with the WAIS-IV. Data were analyzed following two independent strategies: A) multiple linear regression with the aim of maintaining the scale's factorial structure; and B) correlational analyses between scores on all WAIS-IV subtests and Full-Scale IQ (FSIQ). Validity of the resulting short-forms was also analyzed. Three short-forms were developed: Proposal A from strategy A (Vocabulary, Block Design, Arithmetic and Symbol Search), Proposal B1 (Vocabulary, Block Design, Digit Span and Visual Puzzles) and Proposal B2 (Vocabulary and Block Design), from strategy B. All three short-forms showed a strong and significant correlation with the FSIQ and were considered psychometrically acceptable. Arguments in favor of Proposal B1 are discussed. Assessing FSIQ with these short-forms will be useful for avoiding long assessment procedures in a population characterized by high fatigability.
Subject headings
- SAMHÄLLSVETENSKAP -- Psykologi (hsv//swe)
- SOCIAL SCIENCES -- Psychology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine (hsv//eng)
Keyword
- Cognition
- DM1
- Intellectual functioning
- Myotonic dystrophy type 1
- Short-forms
- WAIS-IV
Publication and Content Type
- ref (subject category)
- art (subject category)
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