皮层功能连接在帕金森病的身体第一和大脑第一亚型的皮层功能连接的变化
Matteo Conti1, Valentina D'Onofrio2, Roberta Bovenzi1
1Neurology Unit, Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy.
Movement disorders : official journal of the Movement Disorder Society
|November 29, 2024
概括
前运动REM睡眠行为障碍 (RBD) 可能表明帕金森病 (PD) 亚型. 这项研究发现,在患有或没有pRBD的PD患者之间,α和β频段的功能连接性 (FC) 有明显的差异.
科学领域:
- 神经科学是一个神经科学.
- 神经学 神经学
- 睡眠医学 睡眠医学
背景情况:
- 快速眼动 (REM) 睡眠行为障碍 (RBD) 可以在帕金森病 (PD) 运动症状之前几年.
- 前运动性RBD (pRBD) 可能意味着一种"身体第一"PD亚型,其起源于周围自主神经系统.
- 功能连接 (FC) 分析可以区分PD亚型及其神经退行性途径.
研究的目的:
- 调查早期帕金森病 (PD) 患者 (PDpRBD+) 和没有 (PDpRBD-) 前运动性RBD (pRBD) 的功能连接 (FC) 差异.
- 使用高密度脑电图 (EEG) 来探索与不同PD亚型相关的FC模式.
主要方法:
- 招募了28名PDpRBD+,35名PDpRBD-和35名健康对照 (HC).
- 使用64通道EEG系统和应用源重建技术记录数据.
- 通过使用权重相滞后指数在 θ,α,β 和低γ 波段计算 FC,并通过基于网络的统计数据进行统计分析.
主要成果:
- 在PDpRBD+,PDpRBD-和HC中观察到α-FC下降的趋势,特别是在前额和部区域.
- 改变的α-FC与PDpRBD+和PDpRBD-的认知评分以及PDpRBD+的步态障碍相关.
- 与HC相比,PD两小组都显示β频段FC增加,与布拉迪基尼西亚严重程度有关.
结论:
- 与PDpRBD-组 (脑第一亚型) 相比,PDpRBD+组 (身体第一亚型) 呈现出明显的α频段EEG-FC功能障碍.
- 这些α频段差异可能表明胆固醇上升系统在体第一PD亚型中的早期参与.
相关概念视频
Neural Regulation
39.1K
Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
39.1K
Parkinson's Disease: Overview
482
Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is...
482
Role of Cerebellum and Prefrontal Cortex in Memory
372
The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
372


