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相关概念视频

Brain Imaging01:14

Brain Imaging

320
Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic...
320

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相关实验视频

Updated: Sep 18, 2025

Non-Invasive Electrical Brain Stimulation Montages for Modulation of Human Motor Function
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通过多发性硬化症的电脑刺激来调节信息处理速度:朝着个性化定制的协议.

Steffen Riemann1, Michel Mittelstädt1, Maurice Glatzki1

  • 1Department of Neurology, University Medicine Greifswald, Greifswald 17475, Germany.

Brain communications
|June 27, 2025
PubMed
概括

这项研究因果关系上顶顶叶与信息处理速度,使用跨直流刺激 (tDCS). 个性化的tDCS协议可以根据损伤水平改善多发性硬化症患者的认知功能.

关键词:
贝叶斯模型是贝叶斯模型.焦点化横直流激发的电流刺激.信息处理速度信息处理速度.复发性多发性硬化症 复发性多发性硬化症上面的头顶皮质上层皮质.

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A Protocol for the Use of Remotely-Supervised Transcranial Direct Current Stimulation tDCS in Multiple Sclerosis MS
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Measuring and Manipulating Functionally Specific Neural Pathways in the Human Motor System with Transcranial Magnetic Stimulation
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相关实验视频

Last Updated: Sep 18, 2025

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科学领域:

  • 神经科学是一个神经科学.
  • 认知科学 认知科学
  • 神经学 神经学

背景情况:

  • 信息处理速度对于日常生活至关重要,并且在多发性硬化症 (MS) 中是主要的认知缺陷.
  • 大脑成像表明,上顶顶叶在信息处理速度中的作用,为神经调节提供了一个目标.
  • 超直流刺激 (tDCS) 可以调节大脑活动,并正在探索用于认知增强.

研究的目的:

  • 提供关于上顶顶叶参与信息处理速度的因果关系证据.
  • 研究激发性和抑制性tDCS对健康个体和MS患者信息处理速度的影响.
  • 在MS患者中确定tDCS反应的预测因子,以量身定制未来的治疗方法.

主要方法:

  • 一个注册的,随机的,模拟控制的,三向失明的,与健康对照组和复发性复发性多发性硬化症患者 (N=32/组) 进行交叉试验.
  • 参与者在完成符号数字模式测试 (SDMT) 时接受了活跃或虚拟的tDCS (1.5 mA).
  • 贝叶斯通用线性混合模型用于数据分析,检查组,刺激和极性相互作用.

主要成果:

  • 因果证据证实了双边上顶叶参与信息处理速度.
  • 健康个体对阳极 (更快) 和正极 (更慢) tDCS.表现出预期的反应.
  • 多发性硬化患者表现出一个反向模式:较少受损的患者受益于阳极tDCS,而更多受损的患者受益于正极tDCS.

结论:

  • 顶顶叶在健康和MS中都与信息处理速度有关.
  • 多发性硬化患者的认知障碍程度可能反映出补偿性或功能障碍的神经可塑性.
  • 极性特异性tDCS可以抵消这些过程,识别了SDMT得分,指导了MS个性化治疗方案.