And eventually, it got added to toothpaste, which works topically.

最终，氟化物也被添加到牙膏中，通过用发挥效果。

Ear Drops. Antibiotic ear drops are used. They're combined with steroids which have local anti-inflammatory effect.

滴耳液，使用抗生滴耳液。它们与类固醇结合，具有炎用。

But these jammers only work in a localized area.

赫吉: 但是这些干扰器只在区域起用。

These cells release regulatory hormones, like serotonin and histamine, which act locally to trigger other cells, to, say, release more acid, or contract muscle tissue.

这些细胞释放调节激，如血组胺，它们在起用，触发其他细胞，比如说，释放更多的酸，或者收缩肌肉组织。

As individuals, the fish are focused on the minutiae of these local interactions, but if enough fish join the group, something remarkable happens.

为个体，鱼专注于这些相互用的细节，但如果有足够多的鱼加入这个群体， 就会发生一些非凡的事情。

So the real question is, " What is happening? " How is the local action of anesthetics affect global brain dynamics so as to explain this disappearance of consciousness?

所以真正的问题是，“发生了什么？”麻醉剂的用如何影响整体大脑动力学，从而解释这种意识失？