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Second-Order Circuits
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Integrating two fundamental energy storage elements in electrical circuits results in second-order circuits, encompassing RLC circuits and circuits with dual capacitors or inductors (RC and RL circuits). Second-order circuits are identified by second-order differential equations that link input and output signals.
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First-Order Circuits
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一个脑膜电路照亮了心情
Jorge Yanar1, Michael M Halassa2
1Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA.
Cell
|September 23, 2018
概括
研究人员发现了连接日常光线模式与情绪调节的特定大脑电路. 这种围绕大脑的电路有助于解释光线如何影响我们的情绪状态.
科学领域:
- 神经科学
- 循环时间生物学
- 调节情绪
背景情况:
- 连接视觉输入到情绪调节的神经通路尚未完全理解.
- 视网膜结节细胞下游的区域在处理与情绪状态相关的感官信息方面发挥作用.
研究的目的:
- 确定特定的神经回路, 将环境光线与情绪调节联系起来.
- 阐明周围脑区域在处理情绪控制的光模式中的作用.
主要方法:
- 研究神经回路在丘脑的周围区域.
- 研究了日常光线模式变化与情绪调节机制之间的联系.
主要成果:
- 确定了一个特定的胸膜电路在周围大脑区域.
- 证明这种电路将日常光线模式的变化与情绪调节联系起来.
结论:
- 周围的大脑是将光线信息转化为情绪状态的关键节点.
- 这一发现为了解光线如何影响情绪健康提供了神经基础.


