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Reducing State Anxiety Using Working Memory Maintenance
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在fMRI中的全球效应揭示了状态和特征焦虑的大脑标记
Kimberly Rogge-Obando1,2, Terra Lee3,4,5, Caroline G Martin3
1Neuroscience Graduate Program, Vanderbilt University, Nashville, TN, USA.
medRxiv : the preprint server for health sciences
|August 12, 2025
概括
通过fMRI检测到的全球大脑活动模式与焦虑水平有关. 这些发现强调了将全球fMRI信号视为理解焦虑的有价值生物标志物的重要性.
科学领域:
- 神经成像是一种神经成像.
- 精神病学是一个精神病学.
- 认知神经科学 认知神经科学
背景情况:
- 焦虑的诊断和治疗需要对自我报告的症状进行生物标记.
- 从生理兴奋的全球大脑影响是焦虑的关键.
- 皮层兴奋和自主反应的fMRI签名可能作为焦虑的神经成像生物标志物.
研究的目的:
- 调查全球fMRI信号与焦虑之间的关系.
- 探索全球fMRI效应是否影响大脑网络连接和焦虑之间的联系.
主要方法:
- 在543名受试者中检查了全球平均fMRI信号和皮质激发效应.
- 在240名受试者的fMRI模式中研究了心率.
- 评估了全球fMRI对焦虑和大脑网络连接的影响.
主要成果:
- 全球平均fMRI和皮质兴奋信号的空间模式与状态和特征焦虑相关.
- 皮层兴奋与焦虑的经验密切相关.
- 全球成分回归显示了对焦虑和大脑网络关系的多种影响.
结论:
- 全球fMRI信号效应包含有关状态和特征焦虑的重要信息.
- 全球fMRI效应应应被视为信息来源,而不仅仅是混.
- 了解全球fMRI信号对于焦虑研究至关重要.
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