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Nelson, Linda D.; Scheibel, Kevin E.; Ringman, John M.; Sayre, James W. – Brain and Cognition, 2007
Measures developed from animal models of aging may detect dementia of the Alzheimer's type in a population at-risk for Alzheimer's disease (AD). Although, by middle age, individuals with Down syndrome (DS) show an extraordinarily high prevalence of AD-type pathology, their severe idiopathic cognitive deficits tend to confound the "clinical"…
Descriptors: Pathology, Animals, Alzheimers Disease, Down Syndrome
Calhoun-Haney, R.; Murphy, C. – Brain and Cognition, 2005
Individuals with the apolipoprotein E e4 genetic risk factor for Alzheimer's disease (AD) show deficits in olfactory function. The purpose of the present study was to examine longitudinally odor identification (odor ID), odor threshold, picture identification, and global cognitive status in allele positive (e4+) and negative (e4-) persons.…
Descriptors: Identification, Risk, Rating Scales, Genetics