Earlier studies have documented half brain sleep in a wide range of birds.
早些时候的研究已经记录了种类广泛的鸟类的半脑睡眠。
Assigning different jobs to different brain halves may be especially advantageous for animals such as birds or fish, whose eyes are placed on the sides of their heads.
将不同的工作分配给不同的大脑半球，可能对鸟类或鱼类等动物特别有利，因为它们的眼睛长在头部两侧。
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。
An hour and a half after waking, early birds and night owls were equally alert and showed no difference in attention-related brain activity.
在醒后一个半小时，早鸟和夜猫子表现的同样机警，与注意力相关的大脑区域的活动也差不多。
With a brain "the size of a walnut," as she puts it, the birds display what appears to be the cognitive potential of a young child.
她认为：这些大脑只有核桃大小的小鸟表现出的却是一个小孩可能会学会的认知能力。
Finally, Abe chemically destroyed an area of the brain called the anterior nidopallium in some birds, and was thereby able to demonstrate that it is vital for registering faulty grammar.
最后，阿部采用化学方法破坏了一些小鸟脑部中被称为巢皮质前端（anterior nidopallium）的区域，因而它能证明其对寄存有错误的语法非常重要。
Family traits emerged as the key to understanding brain growth and birds from the same family were more likely to see the change.
科(Family)特征是弄清楚大脑生长特点的关键，来自同科的鸟类更有可能发现其中的差异。
Some researchers had proposed that iron-based receptors in cells found in the upper beaks of some migratory birds sense the magnetic field and send that information along a nerve to the brain.
部分专家指出：在一些候鸟上喙的细胞之中，存在铁基磁感应受体，可将磁感应信号经神经传导至大脑。
The researchers found that the brains of birds and mammals do have different structures. But there are also similarities in the brain architecture.
研究人员发现，鸟类和哺乳动物确实有着不同的大脑组织。但是在大脑结构上有相似之处。
Song learning and production in birds involve a discrete set of interconnected song nuclei in the avian brain.
鸟类的发声和发声学习涉及处于脑中不同水平的相互联系的一些发声核团。
"Mice are better than birds to study because they are mammals and much closer to humans in their brain structures and other biological aspects," Uchimura said.
“老鼠是比鸟更好的实验材料，因为它们是哺乳动物，并且它们的大脑结构和其它生物学特征和人类的更相近，”内村说。
If you're really looking for some brain-boosting benefits, physical exercise is an extremely effective way to exercise your mind-and you're killing two birds with one stone.
如果你真想通过练脑得到些好处，那么多锻炼就是一种非常有效的练脑方法——真可谓是一举两得啊。
A few small, predatory dinosaurs have relative brain sizes that are comparable with those of some living birds, such as ostriches, however.
然而，一些小型的食肉恐龙的相对脑容量与某些现代鸟类相当，比如鸵鸟。
So Moller's team then compared the brain sizes of birds that got shot to those that didn't.
莫勒的团队将被射杀鸟类的大脑尺寸和未被射杀鸟类的大脑进行了比较。
The birds have little "sub-dural space" between their brains and their skulls, so the brain does not have room to bump around as it does in humans.
啄木鸟在它们的大脑和头骨之间几乎没有“次硬脑膜空间”，所以其大脑不像人类的一样在四周有凹凸不平。
Research proved that birds are able to deliberately keep one half of their brain awake as a safeguard against predators.
研究证明，鸟类可以有意使一半的脑子保持警觉，以防止受到掠食者的捕食。
The extra brain power could help ensure that the birds don't get lost on their travels.
它们超强的脑力确保它们在旅行中不迷失方向。
In addition to external magnetic stimuli, recent findings in visually restricted birds have described a hemispherically lateralized interpretation of this information within the brain.
另外，最近研究发现磁场信息的感知分析功能有明显的单侧优势特征。
Meanwhile, the brain also sends messages back to the retina via the centrifugal pathway, which originates from the isthmo-optic nucleus in ground-feeding birds such as pigeons.
同时，脑也通过离中通路对视网膜进行反馈调控，特别是在像家鸽这些地面觅食鸟类中，峡视核就是这条离中通路的起点。
Meanwhile, the brain also sends messages back to the retina via the centrifugal pathway, which originates from the isthmo-optic nucleus in ground-feeding birds such as pigeons.
同时，脑也通过离中通路对视网膜进行反馈调控，特别是在像家鸽这些地面觅食鸟类中，峡视核就是这条离中通路的起点。
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