英语翻译Since the 1970s,scientists have been searching for ways to link the brain with computers.Brain-computer interface(BCI) technology could help people with disabilities send commands to machines.Recently,two researchers,Jose Milan and Michel

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英语翻译Since the 1970s,scientists have been searching for ways to link the brain with computers.Brain-computer interface(BCI) technology could help people with disabilities send commands to machines.Recently,two researchers,Jose Milan and Michel

英语翻译Since the 1970s,scientists have been searching for ways to link the brain with computers.Brain-computer interface(BCI) technology could help people with disabilities send commands to machines.Recently,two researchers,Jose Milan and Michel
英语翻译
Since the 1970s,scientists have been searching for ways to link the brain with computers.Brain-computer interface(BCI) technology could help people with disabilities send commands to machines.
Recently,two researchers,Jose Milan and Michele Tavella from the Federal Polytechnic school in Lausanne,Switzerland,demonstrated（展示）a small robotic wheelchair directed by a person’s thoughts.
In the laboratory,Tavella operated the wheelchair just by thinking about moving his left or right band.He could even talk as he watched the vehicle and guided it with his thoughts.
“our brain has billions of nerve ceils.These send signals through the spinal cord （脊髓）to the muscles to give us the ability to move.But spinal cord injuries or other conditions can prevent these weak electrical signals from reaching the muscles,” Tavella says.“Our system allows disabled people to communicate with external world and also to control devices.”[来源:高&考%资(源#网KS5U.COM]
The researchers designed a special cap for the user.This head cover picks up the signals from the scalp(头皮) and sends them to a computer.The computer interprets the signals and commands the motorized wheelchair.The wheelchair also has two cameras that identify objects in its path.They help the computer react to commands from the brain.
Prof.Milan,the team leader,says scientists keep improving the computer software that interprets brain signals and turns them into simple commands.“The practical possibilities that BCI technology offers to disabled people can be grouped in two categories:communication,and controlling devices.One example is this wheelchair.”
He says his team has set two goals.One is testing with real patients,so as to prove that this is a technology they can benefit from.And the other is to guarantee that they can use the technology over long periods of time.

英语翻译Since the 1970s,scientists have been searching for ways to link the brain with computers.Brain-computer interface(BCI) technology could help people with disabilities send commands to machines.Recently,two researchers,Jose Milan and Michel
自上世纪70年代,科学家们一直致力于寻找一种将人脑与计算机连接的办法.“脑机接口” (Brain-computer interface,BCI）技术可以帮助残疾人向机器发送指令.
最近,两位来自瑞士洛桑联邦理工学院的研究员,Jose Millan（何塞·文澜）和Michele Tavella（米歇尔·特维拉）,展示了一台由意念控制的小型机器人轮椅.
在实验室里,Tavella可以通过移动左手或右手的意念来控制轮椅,他在用意念控制这台机器人装置的同时,甚至还可以一边交谈.
“人脑具有数十亿神经细胞.这些神经细胞通过脊髓向肌肉发送信号,让我们有活动的能力.但脊髓损伤或其他状况会障碍这些微电信号传输到肌肉.”Tavella说,“我们的系统（脑机接口）允许残障人与外界沟通,并且能控制相关的设备.”
研究人员为用者设计了一个特殊的头罩,这个头罩从大脑皮层捕获信号,并重定向到计算机.计算机诠释这些信号,并以此控制电动轮椅.该轮椅还装了两个识别途中物体的摄像头,帮助计算机对大脑发出的指令做出反应.
团队的领导人Millan教授表示,科学家们在不断改进用于诠释大脑信号,并将信号转换为简单指令的计算件软件系统.“脑机接口技术对残疾人的实用性可以分为两大类：交流及控制装置.这轮椅就是一个例子.”
他说其团队已设立两个目标.第一部分是让残疾人亲自测试,以证明这是一项惠及残疾人的技术,而第两部分则是保证他们能长期使用这项技术.

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