相关实验视频

Updated: Jun 3, 2025

Developing Neuroimaging Phenotypes of the Default Mode Network in PTSD: Integrating the Resting State, Working Memory, and Structural Connectivity

Developing Neuroimaging Phenotypes of the Default Mode Network in PTSD: Integrating the Resting State, Working Memory, and Structural Connectivity

Published on: July 1, 2014

在具有白质超强度的认知正常个体中,结构功能合的改变

Junyong Du^1,2, Shabei Xu^1,2, Wenhao Zhu^1,2

¹Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.

Journal of Alzheimer's disease : JAD

|January 10, 2025

概括

结构脱指数 (SDI) 的变化与老年人白质强度过高 (WMH) 和认知衰退有关. 这些变化涉及特定的大脑区域和分子通路,为WMH进展提供了洞察力.

科学领域:

神经成像是一种神经成像.
认知神经科学认知神经科学
大脑小血管疾病研究研究

背景情况:

白质过强度 (WMH) 是大脑小血管疾病 (CSVD) 的关键指标.
驱动WMH的潜在机制及其对认知的影响尚未完全理解.

研究的目的:

评价结构脱指数 (SDI) 作为一种新的大脑组织的测量方法.
在认知正常的老年人中调查SDI和WMH负担之间的关联.

主要方法:

分析了来自112个认知正常个体的神经成像数据,其WMH水平各不相同.
计算SDI和执行基因丰富分析以确定分子通路.

主要成果:

较高的WMH负担与增加的SDI相关,包括额头环,轨道环,前中心环,环状环,乳头环和条纹体在内的区域.
在高WMH患者中,SDI变化与记忆和处理速度缺陷有关.
基因丰富分析揭示了神经功能,离子运输和突触信号通路的联系.

结论:

改变的SDI可能代表了WMH发展和进展中的机械途径.
这些SDI变化与分子路径和认知障碍有关.
该研究为了解WMH病理生理学和认知衰退提供了一个框架.

关键词:

阿尔茨海默病的疾病阿尔茨海默病的疾病.老化的老化衰老的老化基因丰富是一种基因丰富.结构脱指数是结构脱指数.白质的超强度是白质的超强度.

更多相关视频

Application of Granger Causality Analysis of the Directed Functional Connection in Alzheimer's Disease and Mild Cognitive Impairment

Application of Granger Causality Analysis of the Directed Functional Connection in Alzheimer's Disease and Mild Cognitive Impairment

Published on: August 7, 2017

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases

Published on: July 28, 2013

相关概念视频

Language and Cognition

Language and Cognition

Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.

Cognitive Development During Adulthood

Cognitive Development During Adulthood

Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...