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That people often experience trouble sleeping in a different bed in unfamilia
That people often experience trouble sleeping in a different bed in unfamilia
游客
2024-01-25
7
管理
问题
That people often experience trouble sleeping in a different bed in unfamiliar surrounding is a phenomenon known as the "first-night" effect. If a person stays in the same room the following night they tend to sleep more soundly. Yuka Sasaki and her colleagues at Brown University set out to investigate the origins of this effect.
Dr. Sasaki knew the first-night effect probably has something to do with how humans evolved. The puzzle was that benefit would be gained from it when performance might be affected the following day. She also knew from previous work conducted on birds and dolphins that these animals put half of their brains to sleep at a time so that they can rest while remaining alert enough to avoid predators (捕食者). This led her to wonder if people might be doing the same thing. To take a closer look, her team studied 35 healthy people as they slept in the unfamiliar environment of the university’s Department of Psychological Sciences. The participants each slept in the department for two nights and were carefully monitored with techniques that looked at the activity of their brains. Dr. Sasaki found, as expected, the participants slept less well on their first night than they did on their second, taking more than twice as long to fall asleep and sleeping less overall. During deep sleep, the participants’ brains behaved in a similar manner seen in birds and dolphins. On the first night only, the left hemispheres (半球)of their brains did not sleep nearly as deeply as their right hemispheres did.
Curious if the left hemispheres were indeed remaining awake to process information detected in the surrounding environment, Dr. Sasaki re-ran the experiment while presenting the sleeping participants with a mix of regularly timed beeps (蜂鸣声)of the same tone and irregular beeps of a different tone during the night. She worked out that, if the left hemisphere was staying alert to keep guard in a strange environment, then it would react to the irregular beeps by stirring people from sleep and would ignore the regularly timed ones. This is precisely what she found. [br] What do we learn about Dr. Yuka Sasaki doing her research?
选项
A、She found birds and dolphins remain alert while asleep.
B、She found birds and dolphins sleep in much the same way.
C、She got some idea from previous studies on birds and dolphins.
D、She conducted studies on birds’ and dolphins’ sleeping patterns.
答案
C
解析
细节题。根据题干关键词Dr.Yuka Sasaki和her research定位到文中第二段第三、四句She also knew from previous work conducted on birds and dolphins that these animals put half of their brains to sleep at a time so that they can rest while remaining alert enough to avoid predators.This led her to wonder if people might be doing the same thing。由此可知,C项“她从之前的关于鸟类和海豚的研究中得到启发”符合题意。A项“她发现鸟类和海豚在睡觉的时候能够保持警觉”和B项“她发现鸟类和海豚几乎有着相同的睡觉的方式”均不是佐木博士的发现。文中只是提到佐木博士从之前的研究中得到启发,并不意味着她对鸟类和海豚的睡眠方式进行了研究,故D项“她对鸟类和海豚的睡眠方式进行了研究”可排除。
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