生物标志物 生物标志物
Huitong Ding1, Xavier Serrano1, Edward Searls1
1Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 26, 2025
概括
重复的头部冲击 (RHI) 与认知完整的老年人反应时间较慢有关. 这项研究使用数字认知测试来识别与RHI暴露相关的微妙认知变化.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 老年学是一门学科.
背景情况:
- 重复的头部冲击 (RHI) 越来越多地与神经退行性疾病有关.
- 对RHI对老年人数字认知指标的影响的研究是有限的.
- 具有RHI史的认知完整的老年人需要进一步调查.
研究的目的:
- 通过使用数字工具,在有或没有RHI史的老年人之间比较认知表现.
- 在认知完整的老年人群中识别与RHI相关的特定认知缺陷.
- 探索数字神经心理测量在检测RHI相关认知变化的实用性.
主要方法:
- 利用来自波士顿大学阿尔茨海默氏病研究中心 (BU ADRC) 的纵向数据.
- 根据NINDS创伤性脑病综合征 (TES) 标准对RHI暴露进行分类.
- 管理了国防自动化神经行为评估 (DANA) 数字认知电池以评估性能.
主要成果:
- 包括97名认知完整的老年人 (22名有RHI病史).
- 患有RHI的参与者在代码替换和程序响应时间任务中显示出显著更长的响应时间.
- 在简单响应时间或匹配样本任务中没有发现显著差异.
结论:
- 在认知完整的老年人中,RHI暴露与响应速度的特定缺陷有关.
- 研究结果表明,与RHI相关的微妙认知变化可能会影响前端介导路径.
- 数字认知评估可以揭示老年人群中与RHI相关的认知变化.
相关概念视频
01:20Blood Studies for Cardiovascular System I: Cardiac Biomarkers
749
Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
749
01:19Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
516
Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
516