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相关概念视频

Brain Imaging01:14

Brain Imaging

200
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...
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相关实验视频

Updated: May 23, 2025

Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks
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功能性运动障碍与异常的整体受体大脑活动有关:基于任务的功能性MRI研究

Primavera A Spagnolo1,2,3, Jacob A Parker4, Mark Hallett5

  • 1Mary Horrigan Connors Center for Women's Health and Gender Biology, Brigham and Women's Hospital, Boston, MA, United States.

Frontiers in psychiatry
|March 10, 2025
PubMed
概括

功能性运动障碍 (FMD) 与整个感知注意力期间大脑活动的改变有关,特别是在专注于与疾病相关的身体感觉时. 这表明大脑区域中的异常处理对于口病患者的身体意识和恒常推理至关重要.

关键词:
默认模式网络模式 默认模式网络模式功能运动障碍 功能运动障碍岛屿岛屿是一个岛屿.整体感受 整体感受 整体感受预测错误预测的错误

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科学领域:

  • 神经科学是一个神经科学.
  • 精神病学是一个精神病学.
  • 医疗成像医学成像

背景情况:

  • 异常的整体感知处理是功能神经障碍中提出的一种机制,但研究结果不一致.
  • 功能性运动障碍 (FMD) 涉及到身体内部感觉的异常处理.

研究的目的:

  • 通过功能磁共振成像 (fMRI) 来研究功能运动障碍 (FMD) 中整感觉注意力的神经相关物.
  • 为了检查患有口炎和健康对照人群之间的大脑活动和自我报告的整体感知差异.

主要方法:

  • 在Voxelwise的fMRI分析中,13名患有超运动性口炎的成年人和13名健康对照人之间的血液氧化水平依赖的反应进行了比较.
  • 参与者执行了一项任务,涉及注意身体感觉 (心跳,胃,身体) 和外受刺激.
  • 评估了自我报告的整体感受措施,并与神经活动相关联.

主要成果:

  • 在这两组中,互感任务激活了一个网络,包括前,后 cingulate 皮质 (PCC),尾状核 (CN) 和右前岛 (aINS).
  • 在处理与疾病相关的整体感应信号方面出现了群体差异,口病患者对"身体"感觉的激活比对照群体更广泛.
  • 在不同感知焦点期间,在PCC,CN,角性,丘脑和中部岛屿中观察到口病和对照人之间脑活动的特定差异.

结论:

  • 这项研究提供了新的证据,将口病与关键大脑区域的异常整体感应处理联系起来.
  • 结果突出显示了监测身体状态,注意力集中和口和口病的恒常推理中的变化.
  • 异常的整感处理可能会导致功能运动障碍的病理生理学.