As these new synapses are created, memories form.

当这些新产生时，记忆就形成了。

By the age of three, a child's brain has twice as many synapses per neuron than in adults.

到三岁时，儿童大脑每神经元的数量是成年人的两倍。

To distinguish the kind of synapse and precisely how strong each synapse is, we'll need even better resolution.

为了区分的种类以及每的强度，我们将需要更好的分辨率。

But it cannot show which synapses on them are silent.

但无法确定树丝上的哪些是沉默。

So you've got somewhere between 100 to 1,000 trillion synapses in your brain.

所以你的大脑大约有 100 到 1000 万亿。

If you're thinking cerebrum. Oh, synapse, I think neuron to something.

如果你在想大脑、，我想是神经元。

There are hundreds, possibly thousands of different kinds of connections, or synapses.

有成百上千种不同类型的连，。

This information is saved by altering neurons and creating synapses and connections.

这样的讯息能因神经元的不断改变及神经键和连结的创造而被储存下来。

I'm talking about the synapse — the meeting point between two neurons.

我说的是——两神经元之间的交汇点。

The human brain has 100 billion neurons and up to 150 trillion synapses.

人脑含有1000亿神经元和多达150兆神经键。

Remember, signals travel between neurons either by electrical or chemical synapses.

请记住，信号通过电化学在神经元之间传播。

To understand how cocaine works, let's zoom into one of the synapses of the brain.

为了弄清可卡因的作用机制，让我们来讲一讲大脑的！

The metaphor of the brain is tempting, but " neurons" and " synapses" deserve those scare-quotes.

大脑这比喻听起来很诱人，但是“神经元”和“”值得我们引用一下。

" And they will form connections, and these connections will form functional synapses that will, later on, turn into networks."

“它们会形成连，这些连会形成功能性，随后会联成网络。”

Consider that the human brain alone has 100 billion neurons, and each of those has 1000 to 10,000 synapses.

考虑到人类大脑本身就有 1000 亿神经元，每神经元都有 1000 到 10000 。

They studied 2,234 synapses between cortical nerve cells of a type called pyramidal neurons, which have thousands of synapses each.

他们研究了2234皮质神经细胞之间的，这种被称为锥体神经元，每锥体神经元有数千。

SSRIs reduce the reuptake of serotonin, which increases the amount of serotonin hanging around synapses.

SSRIs 减少了对 5-羟色胺的再摄取，从而增加了周围的 5-羟色胺含量。

Current estimates suggest there are 600 trillion synapses in a human brain.

根据目前的估计，人类大脑有600万亿。

Filopodia did not, confirming the silence of their synapses.

而树丝的没有反应，证明它们的是沉默。

I think it was quitting smoking that slowed me down; nicotine is a great synapse enhancer.

我想大概是戒烟让我速度减慢了；尼古丁在加强神经活动方面功效很强。