Once activated, the trigeminal nerve transmits pain signals.

一旦被激活，三叉神经会传递痛觉信号。

The second T is for Trigeminal nerve.

第二个 T 代表三叉神经。

Maybe the trigeminal nerve is less sensitive in certain demographics.

也许一些人口中，他们的三叉神经没有那么敏感。

During the headache phase, the trigeminal nerve plays a key role.

在头痛阶段，三叉神经起到了关键作用。

A specific cranial nerve, cranial nerve V, is the trigeminal nerve and it's responsible for the sensation in the face.

举例来说，第五对脑神经三叉神经负责面部的感觉。

Brain freeze happens when something cold hits the roof of your mouth where it triggers your trigeminal nerve.

当寒冷的东西击中您的上颚并触发您的三叉神经时，就会发生大脑冻结。

Now, the trigeminal nerve is a natural part of the body, so if it's the real cause of brain freeze then that means everyone should get it.

三叉神经天生就在我们的人体结构中，所以如果它真的是造成冰淇淋头痛的原因，那就意味着应该每个人都会有。

Just below that is the trigeminal nerve, the largest of the cranial nerves, which branches into three main strands — hence the 'tri' — and innervates the face and jaw muscles.

在三叉神经下面是三叉神经，最大的脑神经，它分为三股——因此是“三”股——支配着面部和下巴肌肉。

In one small study, 93% of migraine patients were also prone to brain freeze, which has led researchers to suspect that the trigeminal nerve also plays a key role in migraines.

在一个小型研究中，93%的偏头痛患者也会发生冰淇淋头痛。研究者猜测偏头痛是否与三叉神经痛也有重要联系。

The trigeminal nerve normally transmits touch, temperature, and other sensations from the skin to most of the face, part of the scalp, and some of the blood vessels and layers covering the cerebral cortex.

三叉神经一般会传递来自大部分脸部皮肤、部分头皮、以及覆盖大脑皮层的一些血管和膜层的触觉、温度和其它感觉。