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  3. When Our Eyes Serve Our Stomach Our senses aren’t just delivehng a strict v...

When Our Eyes Serve Our Stomach Our senses aren’t just delivehng a strict v...

admin2020-12-24  28
问题 When Our Eyes Serve Our Stomach
Our senses aren’t just delivehng a strict view of what’s going on in the world ; they are affected by what’s going on in our heads. A new study finds that hungry people see food-related words more clearly than people who’vejust eaten.
Psychologists have known for decades that what’s going on inside our heads affects our senses. For example，poorer children think coins are larger than they are，and hungry people think pictures of food are brighter. R6mi Radel of University of Nice Sophia-Antipolis， France, wanted to investigate how this happens. Does it happen right away as the brain receives signals from the eyes or a little later as the brain’s high-level thinking processes get involved?
Radei recruited 42 students with a normal body mass （质量）index. On the day of his or her test，each student was told to arrive at the lab at noon after three or four hours of not eating. Then they were told there was a delay. Some were told to come back in 10
minutes; others were given an hour to get lunch first.So half the students were hungry when they did the experiment and the other half has just eaten.
For the experiment，the participant looked at a computer screen. One by one，80 words flashed on the screen for about 1/300th of a second each. They flashed at so small a size that the students could only consciously perceive.A quarter of the words were food-related- After each word ， each person was asked how bright the word was and asked to choose which of two words they’d seen_a food related word like cake or a neutral（中性的）word like boat. Each word appeared too briefly for the participant to really read it.
Hungry people saw the food-related words as brighter and were better at identifying food-related words. Because the word appeared too quickly for them to be reliably seen,this means that the difference is in perception, not in thinking processes，Radel says.
"This is something great to me:Humans can Really perceive what they need or what they strive （奋斗）for. From the experiment I know that our brain can really be at the disposal（处理）of our motives （动机）and needs," Radel says.

Why did the 80 words flash so fast and at so small a size on the screen?
选项 A. To make sure the participant had no time to think consciously.
B. To ensure the participant was unable to perceive anything.
C. To guarantee each word came out at the same speed and size.
D. To shorten the time of the experiment.
答案A
解析第四段第三句话提到 "They Cashed at so small a size that the students could only consciously perceive”，说明这些单词以很小的字体快速闪动是为了让受测者没有时间进行思考，因此答案是A。
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