These cannabonoids are specialized neurotransmitters released by neurons having just fired.

这些大麻素是一直处于信息发送状态神经元释放特化神经递质。

When we do something nice for someone, our brains release three different neurotransmitters, dopamine, oxytocin and serotonin.

当我们为别人做一件好事时，我们大脑会释放三种不同神经递质，多巴胺、催产素和血清素。

But in your brain, it helps regulate different neurotransmitters and can influence how sleepy you feel.

但在你大脑里，它作用是协助调节不同神经传导物质，从而影响你对困意感觉。

Serotonin is one of the oldest neurotransmitters.

“血清素是最古老神经递质之一。”

On the flip side, the main inhibitory neurotransmitter in the brain is GABA.

另一方面，脑部主要抑制性神经递质为GABA。

Your neurotransmitter levels are rising steadily.

你神经递质激素水平正稳步上升。

These glands then release a burst of the neurotransmitter adrenaline.

然后这些腺体释放出神经递质肾上腺素爆发。

When these three neurotransmitters are in deficit, people become depressed.

当缺乏这三种神经传导素时，一个人就会变得抑郁。

Caffeine is a pro at mimicking a neurotransmitter called adenosine.

咖啡因是一种能够像“腺苷”神经递质一样在神经细胞间传递信息。

When this pathway activates, the neurotransmitter starts a chain reaction.

当这一途径激时，神经递质开始连锁反应。

This is attributed to the overabundance of a neurotransmitter called dopamine.

这是由于存在过多神经递质多巴胺导致。

Our motivation levels are affected by dopamine, a hormone and neurotransmitter.

我们动力水平受到多巴胺影响，多巴胺是一种激素和神经递质。

So you could say the brain is where neurotransmitters are released.

所以你可以说大脑是释放神经递质地方。

First, it optimizes the levels of neurotransmitters like serotonin, norepinephrine, and dopamine.

首先，它能优化神经递质水平，如血清素、去甲肾上腺素和多巴胺。

That learning, the researchers found, is made possible by the neurotransmitter dopamine.

研究人员发现，这种习通过神经递质多巴胺来实现。

Pleasurable experiences flush certain parts of our brain with dopamine, a neurotransmitter.

愉快经历使我们大脑某些部分充满了多巴胺（一种神经递质）。

The main excitatory neurotransmitter in the brain is glutamate.

脑部主要兴奋性神经递质为谷氨酸。

And without this neurotransmitter, mosquitoes become much worse at learning to avoid danger.

失去这种神经递质以后，蚊子习躲避危险能力被大大削弱。

It's a neurotransmitter that helps promote feelings of attraction, excitement, and giddiness.

它是一种神经递质，有助于促进吸引、兴奋和头晕感觉。

You've probably heard of a couple of these neurotransmitters—serotonin and norepinephrine.

或许你可能听过几种神经递质介质——5-羟色胺与降肾上腺素。