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  • Title: Memory functioning in individuals with traumatic brain injury: an examination of the Wechsler Memory Scale-Fourth Edition (WMS-IV).
    Author: Carlozzi NE, Grech J, Tulsky DS.
    Journal: J Clin Exp Neuropsychol; 2013; 35(9):906-14. PubMed ID: 24033318.
    Abstract:
    This study was designed to examine the construct validity of the Wechsler Memory Scale-Fourth Edition (WMS-IV) in individuals with traumatic brain injury (TBI). One hundred individuals with TBI (n = 35 complicated mild/moderate TBI; n = 65 severe TBI) and 100 matched controls from the WMS-IV normative dataset completed the WMS-IV. Multivariate analyses indicated that severe TBI participants had poorer performance than matched controls on all index scores and subtests. Individuals with complicated mild/moderate TBI performed more poorly than controls on all index scores, as well as on tests of visual memory (Designs I and II; Visual Reproduction I and II) and visual working memory (Spatial Addition; Symbol Span), but not on auditory verbal memory tests (Logical Memory I and II; Verbal Paired Associates I and II). After controlling for time since injury, severe TBI participants had significantly lower scores than the complicated mild/moderate TBI on 4 of the 5 WMS-IV index scores (Auditory Memory, Visual Memory, Immediate Memory, Delayed Memory) and 4 of the 10 WMS-IV subtests (Designs I and II, Verbal Pairs II, Logical Memory II). Effect sizes for index and subtest scores were generally moderate for the complicated mild/moderate group and moderate-to-large for the severe TBI group. Findings provide support for the construct validity of the WMS-IV in individuals with TBI.
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