在句子处理和口腔电机过程中,皮层-层通路的有效连接性发生变化,在帕金森病中发生变化
Ehsan Hemmati1, Mohammad-Reza Nazem-Zadeh2, Alireza Fallahi3
1Department of Neuroscience, School of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
概括
帕金森病 (PD) 损害了句子处理,可能与皮层-状管道功能障碍有关. 创伤性脑损伤 (TBI) 可能会加剧这些PD患者的语言和运动缺陷.
科学领域:
- 神经科学是一个神经科学.
- 神经学 神经学
- 认知科学 认知科学
背景情况:
- 帕金森病 (PD) 与句子处理受损有关,但潜在的神经机制,特别是皮质-状道,尚未完全理解.
- 创伤性脑损伤 (TBI) 是患PD的已知危险因素,表明潜在的共享或相互作用的神经病理.
研究的目的:
- 调查皮质-状路径的功能变化,影响PD患者的句子理解和口腔运动功能.
- 为了比较患有TBI病史的PD患者与没有TBI的患者,关于这些神经和功能变化.
主要方法:
- 使用了功能磁共振成像 (fMRI) 和动态因果建模 (DCM).
- 评估包括24名PD患者 (12名TBI患者,12名无TBI患者) 和12名对照患者的句子理解和口腔运动任务.
主要成果:
- 患有PD的患者表现出大脑活动的显著干扰和在皮层-层通路内的有效连接.
- 与没有TBI的PD患者相比,患有TBI的PD患者在句子理解过程中表现出大脑活动的改变.
- 没有TBI的PD患者在口腔运动任务中表现出更大的皮层-皮层和皮层-亚皮层连接性.
结论:
- 运动和语言网络的有效连接性减少可能会导致PD的损伤.
- fMRI和DCM可能有助于识别未来患PD风险较高的TBI患者.
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