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嗅觉球体 - 中介前额叶皮层的theta同步与焦虑有关

Morteza Mooziri^1,2,3, Ali Samii Moghaddam^1,2, Mohammad Ali Mirshekar^4,5

¹Student Research Committee, Zahedan University of Medical Sciences, Zahedan, Iran.

Scientific reports

|May 27, 2024

概括

在引起焦虑的情况下,嗅球 (OB) 和中间前额叶皮质 (mPFC) 中的神经活动增加. 增强的Theta振荡和这些大脑区域之间的连接可能是焦虑行为的基础.

科学领域:

神经科学是一个神经科学.
行为神经科学行为神经科学
计算神经科学是一种神经科学.

背景情况:

焦虑是一种基本的哺乳动物行为,具有重要的生理和病理影响.
驱动焦虑的神经机制在很大程度上仍未被描述.
嗅球 (OB) 和中间前额皮层 (mPFC) 是大脑情绪处理网络的关键组成部分.

研究的目的:

在暴露于焦虑性环境期间调查OB-mPFC电路内的神经活动和功能连接.
为了确定OB-mPFC电路中的theta振荡如何与不同程度的焦虑有关.
探索OB-mPFC 乙太动态在焦虑行为中的作用.

主要方法:

电生理学记录了老鼠的OB和mPFC活动.
分析区域的theta活动和OB-mPFC功能连接 (基于功率和阶段).
在探索焦虑性背景的过程中,量化OB和mPFC之间的信息传输.

主要成果:

在OB和mPFC中,令人焦虑的环境显著增加了区域的theta活动.
观察到增强的OB-mPFC西塔功率和基于相位的功能连接.
增加了OB-to-mPFC信息传输与焦虑水平相关,特别是在不安全的区域.

结论:

在OB-mPFC电路内,theta振荡和功能连接被焦虑刺激动态调节.
这些神经动力学,特别是OB-mPFC θ活动,可以作为各种焦虑行为的神经基质.
这些发现表明,对理解和治疗焦虑症有潜在的影响.

关键词:

焦虑焦虑是一种焦虑.机理机制机理机制中部前额叶皮层中部前额叶皮层.嗅觉灯泡是一种嗅觉灯泡.泰达同步的时间.

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