The neuropsychological assessment of cognitive deficits considering measures of performance variability

Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists
Céline Tanner-EggenKlemens Gutbrod

Abstract

Neuropsychologists often face interpretational difficulties when assessing cognitive deficits, particularly in cases of unclear cerebral etiology. How can we be sure whether a single test score below the population average is indicative of a pathological brain condition or normal? In the past few years, the topic of intra-individual performance variability has gained great interest. On the basis of a large normative sample, two measures of performance variability and their importance for neuropsychological interpretation will be presented in this paper: the number of low scores and the level of dispersion. We conclude that low scores are common in healthy individuals. On the other hand, the level of dispersion is relatively small. Here, base rate information about abnormally low scores and abnormally high dispersion across cognitive abilities are provided to improve the awareness of normal variability and to serve clinicians as additional interpretive measures in the diagnostic process.

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Citations

Dec 28, 2019·Applied Neuropsychology. Adult·Laiene Olabarrieta-LandaJuan Carlos Arango-Lasprilla
Sep 25, 2020·Journal of the International Neuropsychological Society : JINS·Scott F SorgLisa Delano-Wood
Sep 21, 2019·The Clinical Neuropsychologist·Victor A Del Bene, Jason Brandt
Jul 15, 2017·Behavior Research Methods·Laura Klaming, Björn N S Vlaskamp
Jan 26, 2021·Frontiers in Psychology·Gro Walø-SyversenCamilla Lindvall Dahlgren
Mar 3, 2021·Journal of Clinical and Experimental Neuropsychology·Jessica L PaxtonNeil H Pliskin
Aug 12, 2020·Archives of Gerontology and Geriatrics·Silvia Mejia-ArangoRebeca Wong
Jun 8, 2021·Journal of Intellectual Disability Research : JIDR·D MiezahJ Reeve
Jun 27, 2021·Journal of Cancer Survivorship : Research and Practice·Diane Von AhVictoria L Champion
Jul 12, 2021·Journal of Geriatric Oncology·Adele CrouchDiane Von Ah
Aug 28, 2021·Developmental Medicine and Child Neurology·Janette AtkinsonMorag J Andrew
Nov 13, 2021·Child Neuropsychology : a Journal on Normal and Abnormal Development in Childhood and Adolescence·Stephen L AitaRobert M Roth

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