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Clinical and cognitive trajectories in cognitively healthy elderly individuals with suspected non-Alzheimer's disease pathophysiology (SNAP) or Alzheimer's disease pathology: a longitudinal study

机译:具有可疑的非阿尔茨海默氏病病理生理学(SNAP)或阿尔茨海默氏病病理学的认知健康老年人的临床和认知轨迹:一项纵向研究

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摘要

Background Brain amyloid beta (A beta) deposition and neurodegeneration have been documented in about 50-60% of cognitively healthy elderly individuals (aged 60 years or older). The long-term cognitive consequences of the presence of Alzheimer's disease pathology and neurodegeneration, and whether they have an independent or synergistic effect on cognition, are unclear. We aimed to characterise the long-term clinical and cognitive trajectories of healthy elderly individuals using a two-marker (Alzheimer's disease pathology and neurodegeneration) imaging construct.
机译:背景技术在大约50-60%的认知健康的老年人(年龄在60岁以上)中,已有大脑淀粉样蛋白(A beta)沉积和神经变性的文献报道。目前尚不清楚阿尔茨海默氏病病理和神经退行性变的长期认知后果,以及它们是否对认知具有独立或协同作用。我们旨在使用两个标记(阿尔茨海默氏病病理和神经退行性变)成像结构来表征健康老年人的长期临床和认知轨迹。

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