健康老年人和轻度认知障碍患者的认知储备,灰质和脑脊液量之间的相关性
Liang Zhou1,2,3, Wenxia Yang1,2,3, Yang Liu1,2,3
1Department of Magnetic Resonance, The Second Hospital of Lanzhou University, Lanzhou, China.
Frontiers in neurology
|March 18, 2024
概括
较高的认知储备 (CR) 与更好的认知功能有关. 在轻度认知障碍 (MCI) 中,较大的CR与大脑缩相关,但大脑脊髓液 (CSF) 量增加.
科学领域:
- 神经科学是一个神经科学.
- 放射学 放射学是一门学科.
- 老年学是一门学科.
背景情况:
- 认知储备 (CR) 是大脑对神经病理变化的弹性.
- 了解CR对大脑结构的影响对于神经退行性疾病研究至关重要.
研究的目的:
- 研究轻度认知障碍 (MCI) 和健康老年人 (HE) 的认知储备 (CR) 和大脑体积/脑脊液 (CSF) 之间的关系.
主要方法:
- 从31名HE和50名MCI患者获得结构MRI,认知功能测试和CR分数 (CRIq).
- 在大脑区域体积 (ROI) 和CRIq得分之间进行了相关性分析.
主要成果:
- 患有MCI的患者的CRIq,CRIq-休和CRIq-教育分数比HE更低.
- 在两组中,更高的CRIq与更好的认知测试分数 (MoCA,MMSE,AVLT,VFT) 相相关.
- 在MCI中,较高的CRIq与右中环状皮层和副海马回环体积的减少有关,但增加了CSF体积.
结论:
- 更高的CR与更好的认知功能有关.
- 在MCI中,CR升高可能与补偿性结构变化有关,包括大脑缩和CSF增加.
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