在患有帕金森病的人群中,与结相关的动态平衡控制的神经支
Bauke W Dijkstra1, Moran Gilat1, Nicholas D'Cruz1
1KU Leuven, Department of Rehabilitation Sciences, Neurorehabilitation Research Group (eNRGy), Leuven, Belgium.
Parkinsonism & related disorders
|May 31, 2023
概括
患有帕金森病的人因关键区域大脑活化减少而经历了步态结 (FOG) 和平衡问题. 这项研究表明,与非冷器相比,冷器在中脑运动区和小脑中激活率较低.
科学领域:
- 神经科学是一个神经科学.
- 运动障碍 运动障碍
- 帕金森病研究 帕金森病研究
背景情况:
- 帕金森病 (PD) 患者的步态结 (FOG) 呈现出较差的动态平衡和较高的跌倒风险与非冷者相比.
- 了解FOG相关平衡障碍的神经基础对于开发有针对性的干预措施至关重要.
研究的目的:
- 调查帕金森病患者的动态平衡受损的神经支柱,这些人经历了步行结.
- 通过运动图像在冷器,非冷器和对照器之间进行动态平衡任务期间比较大脑激活模式.
主要方法:
- 参与者 (12个冷机,16个非冷机,14个对照组) 执行了一个动态平衡任务.
- 在运动成像 (MI) 和任务的视觉成像 (VI) 期间,使用MRI测量大脑活动.
- 在感兴趣的区域分析了脑活性 (MI > 休息与 VI > 休息) 的组比较.
主要成果:
- 与非冷者相比,冷者在左半脑运动区域 (MLR),右前大脑和大脑小虫的激活显著降低.
- 非冷者比对照者表现出更高的小脑虫激活,这表明存在潜在的补偿机制.
- 在平衡任务和MI条件之间,可比的性能时间证实了图像参与.
结论:
- 在冷器中,MLR和小脑的激活减少可能导致它们的动态平衡受损.
- 与非冷机不同的是,冷机无法招募足够的补偿小脑活动,这可能是其余额赤字的基础.
- 这些发现突出了FOG中特定神经通路的作用,并为治疗策略提供了目标.
相关概念视频
Neural Regulation
39.6K
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.
39.6K
Parkinson's Disease: Overview
614
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...
614
Parkinson's Disease: Treatment
308
Neurodegenerative disorders, such as Parkinson's Disease (PD), involve the gradual and irreversible destruction of neurons in particular brain areas. These disorders exhibit standard features like proteinopathies, selective vulnerability of some neurons, and an interaction of intrinsic properties, genetics, and environmental influences in neural injury.
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of...
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of...
308


