神经过敏症中网络层次模式的破坏揭示了大脑信息整合障碍
Yiling Wang1, Lirong Tang2, Jiani Wang1
1Department of Radiology, Beijing Friendship Hospital, Capital Medical University, No.95 Yongan Road, Xicheng District, Beijing, 100050, China.
Appetite
|September 28, 2024
概括
大脑网络层次结构在神经过敏 (BN) 中被破坏,显示了从注意力和皮肤下区域到跨模网络的信息整合发生变化. 这些变化可能是BN的基础.
科学领域:
- 神经科学是一个神经科学.
- 脑部成像 脑部成像
- 认知科学 认知科学
背景情况:
- 神经过敏 (BN) 与行为缺陷有关,可能与特定的网络异常有关.
- 在BN中,大脑网络的层次组织在很大程度上仍未被探索.
研究的目的:
- 在神经性食欲 (BN) 患者中调查大脑网络层次组织的变化.
- 探索BN中这些层次变化的临床相关性.
主要方法:
- 在59名BN患者和39名健康对照 (HCs) 中应用连接组梯度分析来绘制网络层次结构.
- 通过比较BN患者和HC患者来评估网络和voxel级梯度变化.
- 评估改变的梯度值与临床变量之间的关联.
主要成果:
- 与HC相比,BN患者在背部注意网络中显示了降低的主梯度值,在皮下区域显示了增加值.
- 在BN患者中,腹部注意网络中的二次梯度值下降,边缘网络中的值增加.
- 改变的梯度值主要位于跨模网络 (默认模式,前端对称) 中,右下额头环梯度与外部饮食行为负相关.
结论:
- 患有BN的患者表现出混乱的脑网络层次模式.
- 结果表明,在BN中,大脑信息整合从注意力和皮质下区域到跨模网络的干扰.
- 这些变化提供了对神经性厌食症的神经生物学基础的见解.
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