多巴胺被认为是“快乐激素”，产生喜悦感；去甲肾上腺素类似于肾上腺素，导致心跳加速和兴奋感，据来自美国罗格斯大学的人类学家，著名的爱情研究者Helen Fisher所说，这两种化学物质共同引起喜悦感，充沛的精力，失眠，强烈的愿望，食欲的减退和集中的注意力。
Dopamine is thought to be the "pleasure chemical, " producing a feeling of bliss. Norepinephrine is similar to adrenaline and produces the racing heart and excitement.
多巴胺属于大脑化学物质家族的一员，它们传递神经元之间的信号。
Dopamine is one of a family of brain chemicals that transmit signals between neurons.
神经传递素是一种在神经细胞间传递信号的化学物质，在ADHD患者中，这种化学物质常常是指多巴胺，该物质的作用是调节愉悦和满足感。
A neurotransmitter is a chemical that carries messages between nerve cells and, in the case of ADHD, that chemical is often dopamine, which controls feelings of reward and pleasure.
研究者提出这可能与吸烟作用于大脑中的化学物质如多巴胺有关。
The researchers suggest it could be related to smoke's effects on chemicals in the brain such as dopamine.
同理，自受体告诉中脑何时开始生产多巴胺或停止生产，这将取决于大脑里此时此刻已经有了多少这种化学物质。
Similarly, the autoreceptors tell the midbrain to start pumping dopamine or stop, depending on how much of the chemical is already around.
因为进食会刺激多巴胺——一种产生大脑满足感的化学物质的释放。
That’s because consuming food stimulates the release of dopamine, a chemical that tickles the pleasure centers of the brain.
在积极地社会交往中(尤其是接触中)像多巴胺，催产素之类的令人成瘾的化学物质涌进大脑，传遍全身，这会让我们感觉里彼此更近了。
Addictive chemicals such as dopamine and oxytocin surge through the brain and body during positive social interactions (especially touch). This causes us to feel closer to one another.
并且大脑的化学物质多巴胺也提升了——多巴胺是大脑反馈回路的重要组成部分。
And the brain chemical dopamine was elevated-dopamine is a crucial part of the brain's reward circuitry.
那么这一点快乐的感觉是怎样转化为一种习惯的呢？这与一种感知快乐的化学物质多巴胺有关。
Just how that bit of happiness turns into a habit involves a pleasure-sensing chemical named dopamine.
原因是，一心多用让人感觉很棒，大脑会因为多了一项新的任务而分泌额外的多巴胺（一种影响人们情绪的神经传递素），人们因做每一项新任务而得到了化学物质的奖励。
The reason multitasking feels so good [is that] our brains give us extra shots of dopamine [a brain neurotransmitter that affects mood] for every new task we multitask.
而有了配偶的田鼠开始大量分泌一种叫做多巴胺的化学物质(人脑也会分泌该物质)。
The bond coincided with a huge release of the feelgood chemical dopamine inside their brains.
在ADHD患者中，这种化学物质通常是多巴胺，多巴胺的作用是调节愉悦感和满足感。
in the case of ADHD, that chemical is often dopamine, which controls feelings of reward and pleasure.
Ortigue的研究小组揭示了当一个人陷入爱情，他/她大脑的12个区域会连续反应，释放兴奋诱导化学物质，比如多巴胺，催产素，肾上腺素和垂体后叶素。
Results from Ortigue’s team revealed when a person falls in love, 12 areas of the brain work in tandem to release euphoria-inducing chemicals such as dopamine, oxytocin, adrenaline and vasopression.
他们发现，大脑的12个区域串联工作，释放出愉悦的诱导化学物质，例如多巴胺、催产素和肾上腺素。
"They found that" 12 areas of the brain work in tandem to release euphoric-inducing chemicals such as dopamine, oxytocin "and adrenaline."
他们发现，大脑的12个区域串联工作，释放出愉悦的诱导化学物质，例如多巴胺、催产素和肾上腺素。
They found that "12 areas of the brain work in tandem to release euphoric-inducing chemicals such as dopamine, oxytocin" and adrenaline.
节日购物的许多乐趣都同大脑中的化学物质多巴胺有关。
Much of the joy of holiday shopping can be traced to the brain chemical dopamine.
动起来。迅速进行一阵有氧运动，通过给大脑摄入大量氧气、激活例如多巴胺的大脑化学物质，就可以减轻压力、提高注意力。
Start moving. A quick burst of aerobic exercise relieves stress and improves concentration by flooding the brain with oxygen and activating brain chemicals such as dopamine.
根据UCL神经病学研究中心的一项最新研究得出：增加大脑中化学物质多巴胺的效果就会通过影响快乐的期望程度相应的影响人们作出生活中的选择。
Enhancing the effects of the brain chemical dopamine influences how people make life choices by affecting expectations of pleasure, according to the new research from the UCL Institute of Neurology.
对他们微笑——微笑会分泌感觉良好的化学物质多巴胺，反过来，他们也很有可能对你微笑。
Smile at them - smiling releases the feel-good chemical dopamine and they'll likely smile back too.
他说，一个可能的原因是，寄生虫也许会增加大脑中化学物质多巴胺的分泌。
One possible reason is that the parasite might boost the presence of the chemical dopamine in the brain, he said.
多巴胺这种会引发愉悦感觉的化学物质，不仅和网络成瘾有关，也和非网络的其他上瘾症有关联。
This chemical, which produces pleasant feelings, is linked not only to Internet addiction but also to other types of non-Internet addictions.
因为消化食物会刺激多巴胺(一种刺激大脑愉悦中枢的化学物质)的释放。
That's because consuming food stimulates the release of dopamine, a chemical that tickles the pleasure centers of the brain.
基于以前研究所得到的证据，他们提到，Accutane可能改变人脑中对化学物质如多巴胺和5 -羟色胺的调节，这可能与抑郁症有关。
Based on evidence from previous research, they note, Accutane might alter the regulation of brain chemicals like dopamine and serotonin, which are implicated in depression.
目前，一项新研究证实了人类大脑中一种叫多巴胺的化学物质有很重要的作用，它通过影响我们对快乐的期望程度及相应的结果来指导我们如何做出如此的生活选择。
Now, a new study confirms an important role for the brain chemical dopamine in how people make such life choices, by influencing our expectations of the pleasure associated with their outcomes.
目前，一项新研究证实了人类大脑中一种叫多巴胺的化学物质有很重要的作用，它通过影响我们对快乐的期望程度及相应的结果来指导我们如何做出如此的生活选择。
Now, a new study confirms an important role for the brain chemical dopamine in how people make such life choices, by influencing our expectations of the pleasure associated with their outcomes.
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