Discrepancy analysis between crystallized and fluid intelligence tests: a novel method to detect mild cognitive impairment in patients with asymptomatic carotid artery stenosis

European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies
Akiko TakaiwaSatoshi Kuroda

Abstract

The present study was conducted to accurately determine the presence of mild cognitive impairment, which is often difficult to evaluate using only simple tests. Our approach focused on discrepancy analysis of fluid intelligence relative to crystallized intelligence using internationally recognized neuropsychological tests. One-hundred and five patients diagnosed with asymptomatic carotid artery stenosis were assessed. The neuropsychological tests included the two subtests (information and picture completion) of Wechsler Adult Intelligence Scale-Revised (WAIS-R-two-subtests): crystallized intelligence tests and the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) (immediate memory, visuospatial/constructional, language, attention, delayed memory and total score) as fluid intelligence tests. Discrepancy analysis was used to assess cognitive impairment. The score for RBANS was subtracted from the score for WAIS-R-two-subtests, and if the score difference was greater than the 5% confidence limit for statistical significance, it was defined as a decline in cognitive function. The WAIS-R-two-subsets was within normal limits when compared with the standardized values. However, all RBANS domains showed signifi...Continue Reading

References

Aug 3, 1999·Neurology·F GrigolettoB D Lebowitz
Jul 16, 2008·Archives of Neurology·Sid E O'BryantJohn A Lucas
Dec 17, 2009·Archives of Neurology·Ronald C PetersenClifford R Jack
Jan 26, 2010·Journal of Neurology·Nancy C LandgraffHoward Yonas
Sep 29, 2011·Cognitive and Behavioral Neurology : Official Journal of the Society for Behavioral and Cognitive Neurology·Irena Martinic PopovicVida Demarin
Sep 1, 2012·Stroke; a Journal of Cerebral Circulation·Hsien-Lin ChengI-Hui Lee

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Citations

Jan 19, 2021·Journal of Stroke and Cerebrovascular Diseases : the Official Journal of National Stroke Association·Agnieszka TurowiczDariusz Janczak
May 11, 2021·European Journal of Vascular and Endovascular Surgery : the Official Journal of the European Society for Vascular Surgery·Kosmas I ParaskevasA Ross Naylor

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