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临床表现 临床表现

Yu Chen1, Electra Chatzidimitriou1,2, Howard J Rosen1

  • 1Department of Neurology, Memory and Aging Center, University of California San Francisco, San Francisco, CA, USA.

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概括
此摘要是机器生成的。

早期的行为变异前性痴呆症 (bvFTD) 显示了与小脑退化相关的显著社会认知缺陷. 大脑小区的变化与大脑网络相互作用,影响社会认知比以前想象的要多.

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科学领域:

  • 神经科学是一个神经科学.
  • 认知神经学 认知神经学
  • 神经成像是一种神经成像.

背景情况:

  • 社会认知功能障碍是行为变异前性痴呆症 (bvFTD) 的早期标志,导致护理人员的痛苦.
  • 研究传统上侧重于皮质网络,但新出现的证据表明,bvFTD早期小脑变化与认知和神经精神症状有关.
  • 小脑退化对社会认知的具体影响及其与bvFTD皮质网络的关系尚不清楚.

研究的目的:

  • 调查小脑子子区域体积在早期bvFTD社会认知缺陷中的作用.
  • 检查小脑退化和涉及社会认知的皮质网络之间的关系.
  • 确定小脑的测量是否有助于预测bvFTD的社会认知功能障碍.

主要方法:

  • 评估了109个bvFTD个体和100个对照对思维理论 (ToM),情感阅读和现实生活中的同理心.
  • 从早期的结构性MRI中提取小脑子子区域的体积,使用精确的小脑子映射地图.
  • 使用基于兴趣区域的部分最小平方相关性和voxel-wise结构共差网络分析.

主要成果:

  • 与对照人群相比,患有早期bvFTD的个体在所有社会认知评估中表现明显差.
  • 在小脑子子区域 (Crus I,Crus II, lobules VIIb) 显著的体积损失与所有社会领域的缺陷相关,特别是ToM和情绪阅读.
  • 关键的小脑子区域与皮质社会认知网络 (例如突出网络) 的共变性增加,并结合小脑子措施改进了预测模型.

结论:

  • 小脑参与及其与大脑网络的相互作用在早期的bvFTD社会认知中发挥着重要作用.
  • 后脑子子区域是bvFTD中社会认知功能障碍的关键贡献者.
  • 小脑和皮质区域之间的形态共变凸显了小脑在控制社会认知的大脑网络中的综合作用.