通过呼吸进行前额叶皮质活动的行为状态依赖调制
Shani Folschweiller1,2, Jonas-Frederic Sauer3
1Institute of Physiology 1, Medical Faculty, University of Freiburg, D-79104 Freiburg, Germany.
概括
中部前额叶皮层 (mPFC) 的呼吸节奏会根据行为不同地引发神经活动. 这种mPFC网络的呼吸驱动调制在不动,压力和奖励消耗等状态之间有所不同.
科学领域:
- 神经科学是一个神经科学.
- 系统神经科学 系统神经科学
- 计算神经科学是一种神经科学.
背景情况:
- 中间前额叶皮层 (mPFC) 对于认知和情绪调节至关重要.
- 在mPFC中的呼吸节律振荡会影响局部神经活动,协调马振荡和单单元放电.
- 在mPFC网络中,这种呼吸携带的行为状态依赖调制在很大程度上是未知的.
研究的目的:
- 为了研究老鼠mPFC网络的呼吸携带在不同的行为状态中如何不同.
- 为了比较当地的场潜力的引入和在家静止期间的呼吸活动,压力和奖励消费.
主要方法:
- 电生理学记录小鼠mPFC的局部场势和单单元活动.
- 在三个行为状态中比较呼吸捕获:家庭 (HC),尾部悬浮 (TS) 和奖励消耗 (Rew).
- 分析神经元活动和呼吸之间的相合,检查细胞类型和皮质层.
主要成果:
- 在所有测试的行为状态中都存在呼吸驱动的节奏.
- 前额马振荡显示,与压力或奖励状态相比,在家庭房不动期间,呼吸引力更强.
- 来自金字塔细胞和内神经元的神经突起表现出状态依赖的呼吸阶段合,在压力时会招募表面层.
结论:
- 呼吸动态地带动前额神经元活动,以一种取决于行为和细胞类型的方式.
- 这些发现为通过节奏呼吸对mPFC活动模式的复杂调节提供了新的见解.
- 了解呼吸在mPFC功能中的作用对于破译认知和情绪行为的神经调节至关重要.
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