(woman) This room is devoted to electric fish. The eel in the tank behind me can produce a strong jolt of electricity to stun its prey, but most of the fish in here produce only weak electrical impulses that are useful for navigating, locating food,

发表于:2018-12-30 / 阅读(44) / 评论(0) 分类 托福听力短文

By Melinda Smith Washington 07 August 2007 Deep Brain Stimulation has been used successfully on patients in advanced stages of Parkinson's disease and other neurological movement disorders such as tremors. The remarkable success of this experimental

发表于:2019-01-07 / 阅读(106) / 评论(0) 分类 2007年VOA标准英语(八月)

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. This week, we will examine the brain disorder known as epilepsy. Many people do not understand epilepsy. They may consider it a mental

发表于:2019-01-11 / 阅读(48) / 评论(0) 分类 VOA慢速英语2007年(九)月

Study: Electric Brain Stimulation Alleviates Some Disorders HOUSTON Modern medicine relies mainly on drugs to cure or alleviate disorders, but for some conditions doctors apply electrical stimulation. The pacemaker, for example, helps weak hearts mai

发表于:2019-01-14 / 阅读(53) / 评论(0) 分类 VOA标准英语2014年(六月)

By Alex Villarreal Washington, DC 01 February 2008 Medical researchers in Canada say a brain stimulation procedure used to treat people with Parkinson's and other diseases could help restore the memory of dementia patients. The researchers stumbled u

发表于:2019-02-04 / 阅读(62) / 评论(0) 分类 VOA常速英语2008年(二月)

By hitting the nerves with a mild electrical jolt, you can distract the signal-carriersthat is, the pain signals stop crossing the nerves for as long as the electrical charge is on. So how to do that? Levy and others have inserted a little battery un

发表于:2019-02-15 / 阅读(56) / 评论(0) 分类 英语时差8,16