题型:阅读选择 题类: 难易度:普通
辽宁省铁岭市铁岭县莲花第一初级中学2024年中考学业水平考试英语模拟试卷
Have you heard of depression(抑郁症)? It's a mental illness. People who have it may feel轮sad all the time or do something to hurt themselves. Now, doctors can put a"happy switch(开关)" in their heads to help them. The "happy switch" is a kind of Brain-Computer Interface (BCI, 脑机接口). It works like a bridge— it connects your brain to a computer. Some BCIs can influence people's brain activities. Some can let people control the computer with their thoughts.
Doctors at Shanghai Ruijin Hospital helped a patient called Wu Xiaotian. Wu, 31, has had depression since he was 15years old.
The doctors did a surgery on Wu. They put two long lines of electrodes(电极) inside his brain. The 16 electrodes are used to let out electricity on different parts of the brain, which can change the patient's feelings. The electrodes are connected to a small "box"—the power source(电源)—inside Wu's body.
Wu can control the"happy switch"remotely via an app on his phone. When feeling down,Wu turns on the switch and the electrodes start working. He is soon cheered up. "It feels like there is power rising from the inside of my body," Wu said.
"The hospital has tested the switch on 26 patients since 2020. Up to now , it has helped cut down a patient's sad feelings by 60 percent," said the hospital.
But is the switch safe enough? Although patients like Wu feel great using it, the implant surgery is actually a dangerous one. Also, doctors have to make sure that patients don't rely on it. Healthy people shouldn't use it, or it may be like a kind of addiction(瘾) for them.
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