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相关实验视频

Updated: May 10, 2025

Extracting Visual Evoked Potentials from EEG Data Recorded During fMRI-guided Transcranial Magnetic Stimulation
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同时的EEG-fMRI揭示了一个视觉工作记忆编码网络,与健康受试者的theta振荡活动有关.

Gregor Leicht1, Jonas Rauh1, Marius Mußmann1

  • 1Department of Psychiatry and Psychotherapy, Psychiatry Neuroimaging Branch (PNB), University Medical Center Hamburg-Eppendorf, Hamburg, Germany.

Human brain mapping
|April 21, 2025
PubMed
概括

这项研究揭示了theta大脑波是形成工作记忆 (WM) 网络的关键. 在记忆编码过程中,theta同步结合了大脑区域的信息,例如前额叶皮质.

关键词:
在 DLPFCFC 中,延迟匹配到样本任务任务的时间.编码 编码 编码 编码同时进行的EEG-fMRI.一次试验合器泰达振荡的发生.工作记忆 工作记忆

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Concurrent EEG and Functional MRI Recording and Integration Analysis for Dynamic Cortical Activity Imaging
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Concurrent EEG and Functional MRI Recording and Integration Analysis for Dynamic Cortical Activity Imaging

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Simultaneous Transcranial Alternating Current Stimulation and Functional Magnetic Resonance Imaging
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Simultaneous Transcranial Alternating Current Stimulation and Functional Magnetic Resonance Imaging

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相关实验视频

Last Updated: May 10, 2025

Extracting Visual Evoked Potentials from EEG Data Recorded During fMRI-guided Transcranial Magnetic Stimulation
09:36

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Published on: May 12, 2014

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Concurrent EEG and Functional MRI Recording and Integration Analysis for Dynamic Cortical Activity Imaging
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Simultaneous Transcranial Alternating Current Stimulation and Functional Magnetic Resonance Imaging
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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
  • 神经成像是一种神经成像.

背景情况:

  • 工作记忆 (WM) 对认知和行为至关重要.
  • 感官编码涉及将刺激转化为稳定的表示.
  • 脑电图中的theta振荡 (4-8 Hz) 与WM有关,但网络机制尚不清楚.

研究的目的:

  • 研究WM编码的神经生理机制和大脑网络结构.
  • 要确定theta振荡活动是否与特定的WM编码网络有关.
  • 探索theta同步在WM编码期间绑定信息中的作用.

主要方法:

  • 同时进行脑电图 (EEG) 和功能磁共振成像 (fMRI) 记录.
  • 32名健康受试者执行了一项视觉工作记忆任务.
  • 基于对编码刺激的单一试验度振荡反应指导的fMRI分析.

主要成果:

  • 一个工作记忆编码网络被确定,由theta振荡活动介导.
  • 这个网络包括背侧前额叶皮质和顶区域的关键区域.
  • 泰达同步似乎在网络形成中起到约束机制的作用.

结论:

  • 泰达振荡与工作记忆编码网络中的活动特别相关.
  • 在编码过程中形成WM网络可以利用theta同步.
  • 这项研究为编码工作记忆的神经基础提供了新的见解.