揙ur brain has billions of nerve cells. These send siegnals through the spinal cord (脊髓)to the muscles to give us the ,” Tavella says.
“Our system allows disabled people to communicate with external world and also to control devices.”(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.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.
21.BCI is a technology that can ________.help to update computer systems
B.link the human brain with computers
C.help the disabled to recover
D.control a person's thoughts
22.How did Tavella operate the wheelchair in the laboratory?
A.By controlling his muscles.
B.By talking to the machine.
【(广东省专用)2015届高三英语一轮复习 Unit 3 Computers课时作业 新人教版必修2】相关文章:
★ 【外研英语,七省专用】2014《走向高考》一轮总复习(2016春出版)第二部分 学生作业手册:必修三3-3
★ 【浙江专用】2014届高考英语一轮复习课时作业(二十三)必修5Unit 3《Life in the future》
★ 北京市2014高考英语一轮复习 练习手册(19)必修4 Unit 4 Body language(含解析)新人教版
★ 【外研英语,七省专用】2014《走向高考》英语一轮总复习(2016春出版)第一部分 教师讲义手册:选修七7-5
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (24)
★ 【外研英语,七省专用】2014《走向高考》英语一轮总复习(2016春出版)第一部分 教师讲义手册:选修八8-5
★ 四川省2016届高考英语一轮复习课时作业(24) Module 6 Unexplained Mysteries of the Natural World 外研版必修4
★ 四川省2016届高考英语一轮复习课时作业(48) Module6 The Tang Poems 外研版选修8
★ 【外研英语,七省专用】2014《走向高考》一轮总复习(2016春出版)第二部分 学生作业手册:必修一1-5
★ 【外研英语,七省专用】2014《走向高考》一轮总复习(2016春出版)第二部分 学生作业手册:必修三3-6
最新
2017-04-24
2017-04-24
2017-04-24
2017-04-24
2017-04-21
2017-04-21