阅读理解

　　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 Millan 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 hand and. 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.”

　　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. Millan, 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.”

【2016届天津市宁河县高考英语阅读理解训练（11）（含解析）】相关文章：

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (17)

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (21)

★ 【课堂新坐标】2017届高考英语（通用版）二轮复习书面表达专题训练：Ⅱ卷强化增分练 训练1（含解析）

★ 贵州省贵阳市2014高考英语（新人教版）一轮阅读训练（20）附答案

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ规范练：7（含解析）

★ 河南省三门峡市2014高考英语一轮（暑假）基础训练（11）附答案

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (56)

★ 贵州省贵阳市2014高考英语（新人教版）一轮阅读训练（19）附答案

★ 【课堂新坐标】2017届高考英语（通用版）二轮复习书面表达专题训练：训练5 书信、邮件＋说明文（含解析）

★ 2014高考英语（新人教版）一轮基础训练（5）A、B卷（附答案或解析）