[originaltext] It’ s common knowledge that music can have a powerful effect

游客2024-06-08  14

问题  
It’ s common knowledge that music can have a powerful effect on our emotions. In fact, since the 1930s, music therapists have relied on music to calm patients and help control pain. Now psychologists are confirming that music can also help relieve depression and improve concentration. For instance, in a recent study, 50 surgeons were given some high-stressed math problems to solve. They were divided into three groups: one worked in silence, and in another, the  surgeons listened to music of their choice on headphones; the third group listened to classical music chosen by the researchers. The results of the study may surprise you. The doctors who got to choose their own music experienced less stress and scored better than the others. One possible explanation is that listening to the music you like stimulates Alfa waves in the brain, increases heart rate and expands breathing. That helps to reduce stress and sharpen concentration.  Other research suggests a second relationship between music and the brain: By examining the blood of students after they listened to a variety of classical music selections, researchers found that some students showed a large increase in endorphin, a natural pain reliever. This supports what music therapists have known for years: Music can help revitalize or calm the patient.

选项 A、Music they like can relieve depression but distract attention.
B、Music they like can reduce stress and improve concentration.
C、Classical music and rock-and-roll increase their heart rate and expand the breathing.
D、Wearing headphones can help concentrate when they are performing operations.

答案 B

解析 短文中提到,作为实验对象的外科医生被分为三组,根据The doctors who got to choose their own music experienced less stress and scored better than the others可知,个人喜欢的音乐可以帮助外科医生减少紧张情绪、提高注意力,选项B正确。
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