When your brain senses stress, it activates your autonomic nervous system.

当你的大脑感受压力时，它会激活你的自主神经系统。

He wrote the first textbook about the diseases connected to the autonomic nervous system.

他写了第一本关于自主神经系统相关疾病的教科书。

And that is basically your autonomic nervous system in a nutshell.

简而言之，这就像是你的自主神经系统。

For now, you learned the basic two-part system of your autonomic nervous system.

现在，你习了自主神经系统的基本两部分系统。

Then from your amygdala the information moves to your hypothalamus which communicates with your autonomic nervous system and adrenal glands.

然后，信息从你的杏仁核转移你的下丘脑，下丘脑与你的自主神经系统和肾上腺交流。

Toxic metabolites also affect the autonomic nervous system regulating gastrointestinal motility, and this can causes abdominal pain, constipation, and vomiting.

毒性代谢产物也可以影响调节胃肠蠕动的自主神经系统，可以导致腹痛、便秘和呕吐。

One of the two divisions of your autonomic nervous system is called the sympathetic system.

你的自主神经系统的两个部分之一叫做交感神经系统。

But where these ganglia appear relate to their function, and which division of the autonomic system they're serving.

但是这些神经节出现的地方与它们的功能有关，以及它们服务于自主神经系统的哪个部门。

Normally, though, the heart rate is changed for short periods by the autonomic nervous system.

但是，正常情况下，自主神经系统会在短时间内改变心率。

When your brain's having to work harder, your autonomic nervous system drives your pupil to dilate.

当您的大脑不得不更加努力地工作时，您的自主神经系统会驱使您的瞳孔放大。

The Autonomic system consists of the sympathetic and the parasympathetic divisions.

自主神经系统由交感神经和副交感神经两部分组成。

This happens thanks to the parasympathetic division of the autonomic nervous system.

这要归功于自主神经系统的副交感神经分支。

I mean, we're talking about the autonomic system here, but they are not all autonomic motor fibers.

我的意思是，我们在这里讨论的是自主神经系统，但它们并不都是自主运动纤维。

We remember that the autonomic nervous system is the division of the nervous system that's under involuntary control.

我们记得，自主神经系统是非自愿控制的神经系统的分支。

I firmly believe that what patients describe and what these ANS responses lead to fit very neatly together.

我坚信患者所描述的情况和这些自主神经系统反应所导致的结果非常吻合。

Its effects change, depending on the situation you're in — and also which part of your autonomic system is in charge at that moment.

它的影响是变化的，这取决于你所处的环境——也取决于你自主神经系统的哪一部分在那一刻负责。

Let's start with the autonomic nervous system.

让我们从自主神经系统开始。

Taking a look at a cross section chunk, there's also a layer of smooth muscle which has nerves of the autonomic nervous system in it.

来看一下这个横断面，这一层还有平滑肌，里面含有属于自主神经系统的神经。

The sympathetic nervous system is part of the autonomic nervous system and it helps mediate your automatic functions like breathing, heart rate, sweating, and digestion.

交感神经系统是自主神经系统的一部分，它有助于调节你的自动功能，如呼吸、心率、出汗和消化。

But if you were to somehow disconnect your heart from your autonomic nervous system, things, as you might imagine, would change.

但是如果你以某种方式切断了心脏和自主神经系统的连接，你可以想象事情会发改变。