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- W2023346675 abstract "The diagnoses of dementia and amnestic MCI (aMCI) are predominantly based on measures of episodic memory (EM) and functional assessments. Medial temporal atrophy (MTA) scores can serve as an unbiased quantitative biomarker of neurodegenerative disease and be used to calibrate clinical dementia rating (CDR) and EM scores among subjects of different ethnic, cultural and educational backgrounds. We compared the correlations of EM and CDR-Sum of Boxes (CDR-SB) to MTA scores among African Americans (AA), White Hispanics (WH) and White Non-Hispanic (WNH) subjects. Subjects (57 AA, 164 WH and 396 WNH) had complete neurological and neuropsychological evaluations, including the CDR-SB and three commonly used memory measures, i.e., Fuld Object Memory Evaluation (FOME), Wechsler Memory Logical Memory-Delayed (WM LM-D), and Hopkins Verbal Learning Test -Delayed (HVLT-D). Subjects were diagnosed as having no cognitive impairment (NCI, 60.9%), amnestic MCI (16.1%), or non-amnestic MCI (9.5%), or dementia (13.5%). The MTA score was calculated as the mean score of three bilateral regions, i.e., hippocampus, entorhinal and perirhinal cortex measured on a 1.5 mm thick coronal MRI slice at the mammillary body level. CDR-SB (r = .52 to .59; p <.001) and FOME scores (r = -.44 to -.54; p < .001) were strongly correlated with MTA scores in all three ethnic groups. HVLT was also correlated with MTA scores in WH (r = -.50; p < .001) and WNH ethnic groups (r = -.44; p < .001), but less strongly (r = -.37; p < .01) among AA subjects. WM LM-D and MTA scores were not significantly correlated (r = -.22) among AA subjects, although WM LM-D were significantly correlated among WH (r = -.39; p < .001) and WNH (r = -.39; p < .001) subjects. Using MTA scores as a biomarker of neurodegenerative pathology, the FOME and HVLT-D were shown to be culturally/ethnically fair memory measures among WNH, WH and AA subjects, whereas the WM LM-D did not appear to be an adequate episodic memory measure among AA subjects." @default.
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- W2023346675 date "2010-07-01" @default.
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- W2023346675 title "IC-P-010: Culturally fair episodic memory measures in different ethnic groups" @default.
- W2023346675 doi "https://doi.org/10.1016/j.jalz.2010.05.025" @default.
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