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21英语教师网 > 备课资源 > 拓展阅读 > 正文
Hi-tech to save our memories
作者:21ST    来源:高中版第70期    日期: 2010-04-14

外研版高三年级:High-tech Living

关键词:High-tech living

话题归类:科普知识与现代技术 Popular science and modern technology


人造"大脑"让人重获记忆能力,再次记录生活中的喜怒哀乐。


DO you know that there is an area called the hippocampus ("海马") in our brains? It controls our moods, memories and levels of awareness. And scientists have just developed the first artificial chip (人造芯片) that acts the same way as this area.

Now, the next step is to decide whether or not the chip could one day be used to help people with brain damage.

Researchers said that if all goes well, the chip may help people who have suffered brain damage due to stroke, epilepsy or Alzheimer's disease (中风、癫痫和老年痴呆症).

It took US scientists 10 years to develop the chip. First they built a mathematical model (数学模型) of how the hippocampus performs under all conditions.

The next step is integrating (结合) the chip into the brain in laboratory studies.

The chip will first be tested on tissue from rats' brains. If it is successful, scientists plan to begin trials on live rats within six months and then on monkeys.

The researchers will stop part of the monkey's hippocampus from working and replace it with the programmed chip.

If the invention works and is proved safe for humans, it would sit on the top of the skull (头骨), rather than inside the brain. This could reduce the damage to brain tissue. The chip will help someone with a damaged hippocampus regain the ability to store new memories.



HELP
mood n. 情绪
awareness n. 意识
due to: 由于
tissue n. (动物的)组织
trial n. 试验




关键词:外研版 高三 High-tech Living 科普知识与现代技术 Popular science and modern technology



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