If Invalid PVT Scores Are Obtained, Can Valid Neuropsychological Profiles Be Believed?

Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists
David W Loring, Felicia C Goldstein

Abstract

Performance Validity Testing (PVT) decision-making rules may be indeterminate in patients with neurological disease in which PVT characteristics have not been adequately studied. We report a patient with multiple sclerosis (MS) who failed computerized PVT testing but had normal memory scores with a neuropsychological profile consistent with expected MS disease-related weaknesses. Neuropsychological testing was conducted on two occasions in a middle-aged woman with an established MS diagnosis to address concerns of possible memory decline. Testing was discontinued after PVT scores below recommended cut-points were obtained during the first evaluation. During the second assessment, subthreshold PVT scores on a different computerized PVT were obtained, but unlike the first assessment, the entire neuropsychological protocol was administered. Despite subthreshold computerized PVT scores, normal learning and memory performance was obtained providing objective data to answer the referral question. Other neuropsychological findings included decreased processing speed, poor working memory, and poor executive function consistent with her MS diagnosis. Embedded PVT scores were normal. We speculate that poor computerized PVT scores resulte...Continue Reading

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Citations

May 13, 2020·Applied Neuropsychology. Adult·Christopher Graver, Paul Green
Aug 1, 2020·Applied Neuropsychology. Adult·David W LoringFelicia C Goldstein
May 28, 2021·Applied Neuropsychology. Adult·Christine BajjalehOdelia Elkana
Sep 2, 2021·Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists·John W LaceRachel Galioto
Oct 12, 2021·Frontiers in Neuroscience·Xueying ZhangChan Chen

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