公共卫生 公共卫生
You Jin Kim1, Seunghyun Lee2, Jonn-Yul Choi3
1Chung-Ang University, Dongjakgu, Seoul, Korea, Republic of (South).
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
环境噪音暴露与较高的灰色到白质信号强度比率 (GWR) 有关,这是阿尔茨海默病中一种新的神经退行生物标志物. 这一发现表明噪音影响大脑结构,可能增加阿尔茨海默氏症的风险.
科学领域:
- 神经成像是一种神经成像.
- 神经退行发生神经退行.
- 环境健康 环境健康
背景情况:
- 环境噪音暴露与认知障碍和神经退行性疾病有关.
- 很少有研究研究了噪音暴露与大脑结构变化之间的直接关联.
- 皮质灰白质信号强度比 (GWR) 是阿尔茨海默病中神经退行症的潜在生物标志物.
研究的目的:
- 调查环境噪声暴露水平与GWR之间的关系.
- 探索GWR作为阿尔茨海默病中神经退行症的新生物标志物.
- 为了确定暴露于噪音是否会影响GWR测量的大脑结构.
主要方法:
- 106名认知正常的参与者根据世卫组织的指导方针被分为高噪音和低噪音暴露组.
- 用3D T1加权的MRI图像计算每个大脑顶点的GWR值.
- 进行了T测试和相关性分析,以比较群体之间的GWR和噪声水平.
主要成果:
- 与低噪音组相比,高噪音暴露组的全脑GWR显着更高 (p=0.036).
- 特定区域,包括左上额头和前中心,在高噪音组 (p<0.05) 显示显著更高的GWR.
- 全脑和区域GWR值与白天和夜间噪音水平呈正相关性.
结论:
- 环境噪音暴露与GWR显著相关,这是阿尔茨海默病中神经退行症的一个新生物标志物.
- 这项研究提供了证据,将噪音暴露与与阿尔茨海默病相关的大脑结构变化联系起来.
- GWR可能是了解环境噪音对大脑健康的影响的有价值指标.
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