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Neurons have these projections because one important property, or one important function of neurons, is to communicate with each other.
这些突起,源于神经细胞,一项重要的性质,或者说一项重要的功能,那就是实现信息的交流
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Another example is in the nervous system, patients that have Parkinson's disease have too little of a natural ligand called dopamine.
另一个例子有关神经系统,帕金森氏病的患者,缺乏一种叫做多巴胺的天然的配体
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And one problem is that "For depression" is that there's too little of a neurotransmitter known as serotonin.
抑郁症的问题就在于,缺乏一种叫做血清素的神经递质
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In Neurobiology last year, we were told of a rat who was tested a particular center in the brain where the rat was able to stimulate his brain and caused itself intense pleasure repeatedly.
上学年的生物神经学课提到个实验,老鼠的大脑有一特定区域,让老鼠自行刺激这一区域,从而不断获得强烈的快感。
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But in general, for each neurotransmitter that released it there would only be one population of receptors that's ready to receive it.
但总体说,每一种在此释放的神经递质,只能被一类受体接受
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And he's going to give an amazing lecture on cognitive neuroscience, especially the cognitive neuroscience of faces.
他将为大家上一节非常精彩的,关于认知神经科学的课,主要是关于面部的认知神经科学
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The point that was just raised here is I had said before that everybody who's neurologically normal comes to acquire and learn a language.
我这里向表达的关键是,我之前说过所有神经上正常的人,都会掌握和习得一种语言
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And this is, in part, because the human brain is wired up in an extraordinarily more complicated way than any sort of simple neural network.
部分的原因是,相较于任何简单的神经网络,人类大脑以一种极端复杂的方式进行连结
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Now, how they carry signals is that these neurotransmitters act as ligands.
它们传递信号的原理如下,神经递质作为一种配体
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Another way to increase intensity is the frequency of firing.
另一种会增加反应强度的因素,就是神经冲动产生的频率
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And one factor in Parkinson's is too little of a neurotransmitter known as dopamine.
引起帕金森症的一个病因,便是严重缺乏一种叫做多巴胺的神经递质
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Any neurologically normal human will come to possess a language.
任何神经上正常的人类,都能够掌握一种语言
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