Once attraction is confirmed, your bloodstream is flooded with norepinephrine, activating your fight or flight system.

一旦吸引力被确认，你的血液和肾上腺一起沸腾，发你的“战斗或逃跑”系统。

Your adrenal gland releases the stress hormones cortisol, epinephrine, also known as adrenaline, and norepinephrine.

你的肾上腺会释放压力荷尔蒙皮质醇，肾上腺，以及甲肾上腺。

And releases epinephrine and norepinephrine into the blood making your heart pump faster.

并会向血液中释放肾上腺和降肾上腺使你的心跳加速。

These three are all technically monoamines but norepinephrine and dopamine are classified as catecholamines.

严格说来，这三都属于单，但甲肾上腺和也被归为儿茶酚。

They lose their sensitivity to serotonin and norepinephrine. Which leads to...? Impaired cognitive function.

会失对5 羟色和正肾上腺的敏感性 那就会引起认知功能受损。

Well, exercise releases an important blend of mood altering hormones including dopamine, serotonin and norepinephrine.

通过锻炼，人体会释放一些重要的情绪调节，包括、血清和降肾上腺。

Tyrosine is needed to synthesize dopamine and norepinephrine, and tryptophan is needed to synthesize the neurotransmitter serotonin.

酪氨酸是合成、甲肾上腺所必须的；色氨酸是合成神经递质血清所必须的。

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、甲肾上腺和。

Aside from its positive effects on dopamine, exercise also elevates levels of norepinephrine and serotonin.

除了可以增加外，锻炼还能提高体内的甲肾上腺以及 5-羟色水平。

This mood-depressing drug also reduced brain levels of norepinephrine, dopamine, and serotonin.

这抑制情绪的药物还能降低大脑中甲肾上腺、和 5-羟色的水平。

Higher levels of norepinephrine also apparently causes a tendency towards anger and aggression.

高水平的甲肾上腺能显著导致愤怒和攻击的倾向。

Whether you're awake or asleep, norepinephrine helps you remember things.

无论清醒状态下还是睡着了，甲肾上腺都能帮助人们记住各事情。

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

或许你可能听过几神经递质介质——5-羟色与降肾上腺。

Norepinephrine is another neurotransmitter involved in attention and arousal.

甲肾上腺是与注意和觉醒相关的另一神经递质。

And disturbances in norepinephrine transmission is thought to also be a key component in depression.

甲肾上腺传递的紊乱也被认为是抑郁症的关键诱因。

Norepinephrine is always present at some level while you're awake.

你在清醒时，甲肾上腺总保持在一定程度上。

Adderall also causes the release of norepinephrine, which activates the sympathetic nervous system, initiating your fight-or-flight response.

Adderall 还会导致甲肾上腺的释放，从而活交感神经系统，引发你的“战或逃”反应。

And, interestingly, Noradrenaline, also called norepinephrine, is one of the neurotransmitters released when you are exposed to the cold.

有趣的是，甲肾上腺（又名 norepinephrine）正是大脑在寒冷环境中分泌的一神经递质。

When you fall asleep though, your norepinephrine levels drop.

当你入睡时，甲肾上腺水平会下降。

SSRI's help regulate serotonin levels in the brain, while SNRIs help regulate serotonin, norepinephrine and dopamine, to manage anxiety.

SSRIs帮助调节大脑中5-羟色的水平，而SNRIs帮助调节5-羟色、甲肾上腺和水平，以调节焦虑。