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相关概念视频

Dissociative Disorders01:27

Dissociative Disorders

449
Dissociative disorders represent complex psychological conditions characterized by disruptions in consciousness, memory, identity, or perception. These disruptions cause individuals to experience a disconnection from their thoughts, emotions, and memories. The phenomenon is not merely an occasional lapse in attention but a profound alteration in mental functioning that can severely impact daily life.
Dissociative Fugue
A hallmark feature of dissociative disorders is the dissociative fugue...
449

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A Multimodal Imaging- and Stimulation-based Method of Evaluating Connectivity-related Brain Excitability in Patients with Epilepsy
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功能性/离散性发作的神经成像异常:一个元分析.

Maryam Homayoun1, Alfred Pak-Kwan Lo2, Benjamin Sinclair1

  • 1Department of Neuroscience, The School of Translational Medicine, The Alfred Health, Monash University, Victoria, Melbourne, Australia.

Neuroscience and biobehavioral reviews
|October 31, 2025
PubMed
概括
此摘要是机器生成的。

这项研究揭示了功能性/离散性发作中的结构和功能性大脑异常. 神经成像显示皮质厚度降低和关键大脑网络的功能连接性改变,表明潜在的神经生物学机制.

关键词:
在 FDS FDS FDS 中.在FND FND FND这就是为什么MRI是MRI.进行元分析分析.神经成像是一种神经成像.

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科学领域:

  • 神经科学是一个神经科学.
  • 神经学 神经学
  • 精神病学是一个精神病学.

背景情况:

  • 功能性/离散性发作在神经学和精神病学中存在诊断挑战.
  • 对于这些发作的现有神经成像发现在研究中不一致.

研究的目的:

  • 系统地审查和元分析功能性/离散性发作的神经成像异常.
  • 为了研究结构 (皮层厚度) 和功能 (静止状态功能连接) 的MRI数据.

主要方法:

  • 22项研究的系统综述和元分析.
  • 从七个结构性MRI研究中对皮质厚度的元分析.
  • 来自三个功能性MRI研究的全脑,基于种子的休息状态功能连接性分析.

主要成果:

  • 在右皮裂/皮质和右前中心环中,皮质厚度减少.
  • 感觉运动和腹部注意网络 (例如,左丘脑,左膜) 之间的功能连接性增加.
  • 在默认模式的网络和左边的岛屿中增强了连接.

结论:

  • 功能性/离散性与结构性和功能性大脑异常有关.
  • 这些异常涉及视觉,感官运动,默认模式和注意力网络.
  • 需要进一步的研究来了解复杂的病理生理学,包括临床特征和并发症.