功能梯度重组及其在急性睡眠不足后对空间工作记忆的影响
Lili Xu1, Jiahao Yan1, Haoyuan Zhang2
1Department of Magnetic Resonance, The Second Hospital & Clinical Medical School, Lanzhou University, Lanzhou, Gansu, China.
Brain research bulletin
|March 16, 2026
概括
急性睡眠不足 (ASD) 通过重组大脑功能梯度,损害空间工作记忆 (SWM). 保持大脑网络的功能平衡对于睡眠丧失后的SWM表现至关重要.
科学领域:
- 神经科学是一个神经科学.
- 认知神经科学 认知神经科学
- 脑部成像 脑部成像
背景情况:
- 休息状态功能磁共振成像 (rs-fMRI) 揭示了皮质组织的功能梯度.
- 急性睡眠不足 (ASD) 对这些梯度和诸如空间工作记忆 (SWM) 等认知功能的影响仍未得到充分研究.
研究的目的:
- 调查ASD如何影响功能梯度架构.
- 为了确定ASD诱导的梯度重组是否有助于SWM损伤.
主要方法:
- 50名健康的男性接受了rs-fMRI,并完成了一项1背任务,评估ASD前后的SWM.
- 计算了功能梯度指标,并与SWM性能相关联.
主要成果:
- ASD显著损害了SWM的性能.
- 在ASD后,观察到前三个主要功能梯度的全球和局部特征的显著变化.
- 梯度变化,特别是在梯度2和梯度3内,与SWM性能指标相关联.
结论:
- 自闭症诱导大脑功能梯度的全球和局部重组.
- 保持功能隔离和大脑子网络之间的集成之间的平衡对于在睡眠剥夺下保持SWM性能至关重要.
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