喉内膜厚度与认知功能之间的线性无值关联:脑血管疾病的调解作用
Wenqiang Zhang1,2,3, Lingli Qiu3,4, Yunjie Liu3
1Jiangxi Provincial Key Laboratory of Molecular Medicine, Jiangxi Medical College, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.
概括
较高的动脉内膜介质厚度 (cIMT) 与较低的认知功能线性相关,没有观察到值效应. 早期的血管健康对于维持整个成年期的认知能力至关重要.
科学领域:
- 心血管健康 心血管健康
- 神经科学是一个神经科学.
- 遗传学 遗传学 是一个
背景情况:
- Carotid intima-media 厚度 (cIMT) 是亚临床动脉样硬化的一个关键指标.
- cIMT与认知衰退有关,但这种关联的确切性质尚未完全理解.
- 研究cIMT与认知功能之间的关系对于了解大脑健康至关重要.
研究的目的:
- 研究cIMT与认知功能之间的线性和非线性关联.
- 使用孟德尔随机化建立cIMT和认知功能之间的潜在因果关系.
- 探索脑血管疾病在cIMT-认知功能关系中的调解作用.
主要方法:
- 在英国生物库中利用了观察和门德尔随机化 (MR) 分析.
- 采用了一样和两样MR设计,使用大规模的遗传和表型数据.
- 进行调解分析,以评估小血管中风的作用.
主要成果:
- 观察分析显示,较高的cIMT和较低的认知功能 (β = -0.17,p = 3.24×10−4) 之间存在显著的反向关联.
- 一个样本和两个样本的MR分析都支持基因预测较高cIMT对认知功能减弱的因果作用 (例如,β = -0.83,p = 4.03×10−3).
- 调解分析表明,9.9%的关联是由小血管中风调解的,没有证据表明非线性或反向因果关系.
结论:
- 在cIMT和认知功能之间存在着线性,无值的关系.
- 升高的cIMT因果影响认知功能,强调了早期血管健康的重要性.
- 针对亚临床动脉样硬化症的干预措施可能有利于保持认知功能.
相关概念视频
Cognitive Theories: Lazarus Mediational Theory of Emotion
2.2K
Richard Lazarus' cognitive mediational theory highlights the pivotal role of cognitive appraisal in shaping emotional responses. According to this theory, the evaluation of a stimulus — based on personal values, goals, beliefs, and expectations — mediates the emotional response. This appraisal process is immediate and often occurs unconsciously, influencing the intensity and nature of the resulting emotion.
Cognitive Appraisal and Emotional Response
Lazarus proposed that...
Cognitive Appraisal and Emotional Response
Lazarus proposed that...
2.2K
Cognitive Dissonance
37.5K
Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
37.5K
Linear Equations
498
Linear equations form the foundation of many algebraic and real-world applications, characterized by their simplicity and utility. A linear equation is an algebraic statement in which each term is either a constant or a product of a constant and a single variable. These equations represent straight lines when plotted on a Cartesian coordinate plane, reflecting a constant rate of change between two quantities.A typical linear equation in one variable has the form: ax + b = c, where a, b, and c...
498
Linear Circuits
883
A linear circuit is characterized by its output having a direct proportionality to its input, adhering to the linearity property, which encompasses the principles of homogeneity (scaling) and additivity. Homogeneity dictates that when the input, also referred to as the excitation, is multiplied by a constant factor, the output, known as the response, is correspondingly scaled by the same constant factor. For instance, if the current is multiplied by a constant 'k,' the voltage likewise...
883
Associative Learning
1.4K
Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
Classical conditioning, also known...
1.4K
Association Areas of the Cortex
9.5K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
9.5K


