Birds that are literally half asleep—with one brain hemisphere alert and the other sleeping—control which side of the brain remains awake, according to a new study of sleeping ducks.
根据一项关于睡觉的鸭子的新研究来看,半睡半醒的鸟儿——大脑的一个半球处于警觉状态,另一个半球处于睡眠状态——控制着大脑的哪一边保持清醒。
我们只有一个大脑。
We vary from the educationally sub-normal to the genius. Yet we all have one brain through which we think.
在受教育方面,有的人是笨一点儿,有的人却是天才,但是我们都拥有同样可以思考问题的大脑。
There is only one brain and one tongue, but the two sides of these organs look as much alike as the two hands.
只有一个脑和一只舌头,但这些器官的两侧看起来就像双手那样相像。
Unfortunately, humans, the sole vessels of knowledge, are very inefficient at passing it along from one brain to another.
遗憾的是,作为知识的唯一持有者,人类把知识从一个大脑传递到另一个大脑的效率却非常低。
One could think of Brooks's scheme as having, in his words, "multiple agents within one brain communicating through the world to compete for the resources of the robot's body."
我们可以这样理解布鲁克斯提出的机制——用他的话来说就是,“大脑里的个体们通过外部世界进行沟通来竞争机器人的身体资源。”
The researchers presented stimuli to one brain hemisphere at a time, which allowed them to challenge either the damaged or intact prefrontal cortex in the patients with brain damage.
研究者每次刺激一个大脑半球,这使他们可以对额叶皮质受损或是完好的脑损伤患者的表现均做出检验。
Zheng Aiqiang, a "memory athlete" on TV show Super Brain, can remember 2,660 numbers in just one hour! You would think people like him must have special brains.
郑爱强,电视节目《超级大脑》中的“记忆运动员”,可以在一小时内记住2660个数字!你会认为像他这样的人一定有特别的头脑。
Dolphins, as well as other marine animals, shut down one hemisphere of the brain when they go to sleep.
海豚,还有其他一些海洋动物,它们睡眠时会关闭大脑的一个半球。
They found that one half of the brain "remains more awake" than the other half when people are trying to sleep in a new place.
他们发现,当人们试图在一个新的地方睡觉时,大脑的一半比另一半“更清醒”。
A patient who had damage to part of his brain can only say one word, "Tan," and everything else was gone.
一位大脑遭受部分损伤的病人只会说一个字,"叹",其他的词都无法说出。
Another brain system often becomes active as one protests against the departure of a lover.
另一个大脑系统经常在一个人抗议爱人的离开时变得活跃。
Meetings are just one symptom of an organization run by the lizard brain.
会议只是这类靠蜥蜴脑运作的组织的一个症状。
Recently, we tested the possibility that one of the hormone's actions outside the brain might be responsible.
最近,我们测试了这种激素在大脑外部起到一种作用的可能性。
That's one of the hypotheses that was proposed, that the brain simply doesn't admit the unimportant information.
这是提出的其中一个假设,即大脑根本不接纳无关紧要的信息。
Some artists painted on the booths, others made them sculptures one was shaped like a brain and another wore a pair of shoes.
有的艺术家在摊位上作画,有的把它们做成大脑形状的雕塑,有的雕塑穿着一双鞋子。
The rare disorder, in which one side of the brain grows substantially larger than the other, occurs when neurons in the abnormal hemisphere undergo too many cell divisions before they mature.
当异常半球中的神经元在成熟之前经历过多的细胞分裂时,就会发生这种罕见的疾病,即大脑一侧长得比另一侧大得多。
There are close to one million nerve fibers that connect the eyeball to the brain, as of yet it is impossible to attach them all in a new person.
有近100万个神经纤维连接眼球和大脑,但目前还不可能把它们全部附加至另一个人体上。
Merzenich is also a co-founder of Posit Science, a company that makes one of the brain training programs used at Walter Reed and other military.
梅泽尼奇也是假定科学公司的创始人之一。现在里德医院和其他军队用的脑部训练程序之一,就是这家公司提供的。
Perhaps keeping one side of the brain awake allows a sleeping animal to surface occasionally to avoid drowning.
也许保持一侧大脑清醒可以让睡眠中的动物偶尔浮出水面,避免溺水。
The findings suggest that the body and brain have instinctive ways of healing that we could come to understand one day and then magnify.
这些发现表明身体与大脑具有其天生的自愈方法,我们有朝一日可以去理解并放大。
For example, dolphins, as well as other marine animals, shut down one hemisphere of the brain when they go to sleep.
例如,海豚以及其他海洋动物,在睡觉时会关闭半边大脑。
It includes four steps: seeing a word, getting back its meaning from your memory, connecting it to other words in the same sentence, and then moving on to the next word. This process uses many parts of the brain at one time.
它包括四个步骤:看到一个单词,回忆这个词的意思,将它与句子中其他单词联系起来,再看下一个单词。这个过程同时调动了大脑的很多部分进行工作。
The stations are managed by one control center, which is described by China Railway Beijing Group—also known as CR Bejing—as an "intelligent (智能的) brain".
这些车站由一个控制中心管理。该中心被中国铁路北京局集团,也就是北京铁路局,称为一个“智能大脑”。
And he had one. Lenin's brain.
是的,他也有一个,那就是列宁的大脑。
And if one human brain is just cracking the surface, a group of human brains working together is completely impenetrable.
如果一个人的大脑只能够懂得皮毛,那么一群人共同的力量,却是无可比拟的。
Shelly: With so much communication, we will soon be one big global brain.
雪莉:有了这么多得沟通,我们很快就会变成一个巨大的全球大脑。
Shelly: With so much communication, we will soon be one big global brain.
雪莉:有了这么多得沟通,我们很快就会变成一个巨大的全球大脑。
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