大规模时空活动模式在大脑状态的分布的变化
Lisa Meyer-Baese1, Nmachi Anumba1, T Bolt1
1Wallace H. Coulter Department of Biomedical Engineering, Emory University/Georgia Institute of Technology.
bioRxiv : the preprint server for biology
|May 15, 2024
概括
休息状态fMRI中的近周期性模式 (QPPs) 揭示了大脑状态的变化. 它们的规模和分布随着嗜睡和麻醉而变化,对改变的大脑状况表现出敏感性.
科学领域:
- 神经科学是一个神经科学.
- 脑部成像 脑部成像
- 系统神经科学 系统神经科学
背景情况:
- 静止状态功能磁共振成像 (rs-fMRI) 揭示了称为准周期性模式 (QPPs) 的大规模时空模式.
- QPP解释了rs-fMRI中的显著空间结构,包括全球信号动态和网络交替.
- 这些模式与影响兴奋和注意力的神经调节过程有关.
结论:
- QPPs的分布和数量是改变大脑状态的敏感指标.
- 广泛的脑活动模式,如QPPs,反映了与神经调节和意识相关的变化.
- 这项工作强调了QPP作为神经生理条件的有价值生物标志物.
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