Cognitive changes during the preclinical phase of Alzheimer's disease (AD) dementia have been characterized among European Americans (EAs), but studies of preclinical changes among African Americans (AAs) are notably absent.Preclinical changes in cognition before the development of AD dementia and mild cognitive impairment over a period of 18 years were examined using change points in a biracial sample of 2,125 older adults.Of 2,125 participants, 442 (21
作者：Kumar B, Rajan；Robert S, Wilson；Lisa L, Barnes；Neelum T, Aggarwal；Jennifer, Weuve；Denis A, Evans
来源：The journals of gerontology. Series A, Biological sciences and medical sciences 2017 年 72卷 3期
