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根据运动强度的认知休息状态网络的反转U形状的功能连接性改变:一项fMRI研究

Luisa Bodensohn¹, Angelika Maurer¹, Marcel Daamen²

¹Clinical Functional Imaging Lab, Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, Building 07, 53127 Bonn, Germany.

Brain and cognition

|April 13, 2024

概括

高强度运动降低了神经网络连接,而低强度运动显示增加的趋势. 这表明运动强度会影响大脑网络,尽管认知表现的变化并不显著.

科学领域:

神经科学是一个神经科学.
运动生理学运动生理学
认知科学认知科学

背景情况:

剧烈的体力活动会影响认知功能.
运动强度,大脑网络活动和认知之间确切的联系尚未完全理解.

研究的目的:

研究不同运动强度如何影响静止状态功能连接 (rsFC) 和认知表现.
探索神经网络中依赖运动强度的变化.

主要方法:

20名男性运动员完成了高,低和休息强度的自行车运动.
休息状态功能磁共振成像 (rsfMRI) 和注意力网络测试 (ANT) 在运动前后进行.
独立组件分析和线性混合效应模型分析了10个静态网络中的rsFC.

主要成果:

在各种条件下,没有观察到ANTT表现的显著变化.
在左前方对象网络中显著的相互作用表明了运动强度和rsFC之间的反转U形关系.
在背部注意力网络和大脑基底状腺网络中注意到了趋势级的相互作用.

结论:

在与认知相关的网络中观察到运动强度相关的rsFC亚急性变化.
这些rsFC变化的直接认知行为影响需要进一步研究.

关键词:

剧烈的运动是急性运动.注意力网络测试认知表现认知表现运动强度运动强度休息状态网络的休息状态网络.功能磁力共振成像 (fMRI) 是一种

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