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在甲状腺下核中的theta频率深度大脑刺激改善了帕金森病中的工作记忆
Narges Salehi1, Simone Nahrgang1, Wiebke Petershagen1
1Department of Neurology, Philipps-University Marburg, 35043 Marburg, Germany.
Brain : a journal of neurology
|January 9, 2024
概括
深度大脑刺激 (DBS) 针对亚thalamic 核 (STN) 中的 teta 频率可以增强帕金森病患者的工作记忆. 这种特定频率的效应可以提高认知能力,而不会影响运动功能.
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) 研究往往优先考虑运动症状,忽视诸如工作记忆受损等非运动缺陷.
- 工作记忆缺陷对高达80%的帕金森病患者的生活质量产生重大影响.
- 虽然已知可以改善运动功能,但亚thalamic核深度大脑刺激 (STN-DBS) 的认知效应仍然不太了解.
研究的目的:
- 研究不同频率 (甲,乙,) 的亚thalamic核深度大脑刺激 (STN-DBS) 对帕金森病患者工作记忆的影响.
- 确定STN-DBS对工作记忆的影响是否是频率特定的,以及它们是否与结构性大脑连接相关.
主要方法:
- 研究了20名帕金森病患者接受双边STN-DBS.
- 在,β和马频率上使用STN-DBS,评估工作记忆性能.
- 使用线性混合效应模型进行性能分析和全脑规范性结构连接分析.
主要成果:
- 在theta频率下进行的亚thalamic核深度大脑刺激 (STN-DBS) 显著改善了工作记忆性能.
- 这种认知增强是频率特定的,对于β或马频率刺激没有观察到改善.
- 甲频率STN-DBS没有对运动功能产生影响,表明认知特异性.
- 工作记忆的改善与受刺激的STN与右中额头回形之间结构连接的增加相关.
结论:
- 频STN-DBS提供了一个有希望的,有针对性的方法来改善帕金森病中的工作记忆缺陷.
- 这些发现强调了STN-DBS对认知的影响的频率依赖性.
- 增强STN与右中额头回形之间的连接性与通过theta刺激改善工作记忆有关.
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