大规模功能网络中的静止状态连接与精神分裂症和双相情感障碍中的隐性运动学习障碍之间是否存在关系?
Adrian Andrzej Chrobak1, Sylwia Bielak2, Dominik Nowaczek3
1Department of Adult Psychiatry, Jagiellonian University Medical College, Kraków, Poland.
Psychiatria polska
|October 9, 2024
概括
在精神分裂症和双相情感障碍中隐含的运动学习与主要大脑网络中的静止状态功能连接性无关. 这一发现对于理解运动学习的神经基础和指导未来的神经成像研究至关重要.
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.
- 认知科学 认知科学
背景情况:
- 精神分裂症 (SZ) 和双相情感障碍 (BD) 与隐性运动学习障碍有关.
- 这些障碍的神经支,特别是它们与大脑网络连接的关系,仍然不清楚.
研究的目的:
- 调查休息状态功能连接 (rs-FC) 与SZ和BD患者隐性运动学习之间的关联.
- 在SZ,BD和健康对照 (HC) 之间的大规模功能网络中比较rs-FC.
主要方法:
- 30名BD患者,30名SZ患者和30名HC患者接受了静止状态功能磁共振成像 (rsfMRI).
- 隐式运动学习是使用串行反应时间任务 (SRTT) 进行评估的.
- rs-FC在突出网络 (SAN),默认模式网络 (DMN),前端对象网络 (FPN),感觉运动网络 (SMN),边缘网络 (LN) 和视觉网络 (VIN) 中进行测量.
主要成果:
- 在检查的网络 (SAN,DMN,FPN,SMN,LN,VIN) 内的rs-FC与隐性运动学习指数之间没有发现显著的关联.
- 在这些网络中,BD,SZ和HC集团之间没有显著的rs-FC差异.
结论:
- 通过SRTT测量SZ和BD个体的隐性运动学习表现,在主要的大规模功能网络中,rs-FC无法预测.
- 这些发现表明隐性运动学习独立于这些特定大脑系统的基线功能连接.
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