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Why You Should Always Learn on an Empty Stomach
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Hunger is a sensation that every human being on the planet has experienced at least once in their lifetime. The signals of hunger¡Xthe sharp hunger pangs and grumbling stomach noises¡Xoften grow in __1__ until the thought of food overwhelms every other thought in our mind. So, it's a bit surprising that researchers at Yale Medical School recently found that hunger can actually __2__.
The research team had been studying the hormone ghrelin and the path it takes through the body. Ghrelin is produced by the stomach and is supposed to stimulate a part of our brain called the hypothalamus. This part registers hunger and compels the body to __3__ food. What the scientists discovered is that ghrelin is also found in the hippocampus, which is the part of the brain that handles learning and memory.
To test the effect of ghrelin on intelligence, the scientists designed some mazes and tests for their mice. They compared a group of mice injected with the hormone to a control group of mice that __4__. The mice given ghrelin outperformed the control group in every task and test.
Although it may seem counterintuitive, it makes sense if you look at it __5__ an evolutionary perspective. Our ancestors were hunters, gatherers, and foragers. When they got hungry, they had to chase down and search for their own meals. The task required extreme focus. So, the next time you¡¦re studying for a final exam, being a little hungry may help you concentrate.
1. (A) demand (B) contrast (C) frequency (D) property
2. (A) keep us alive (B) make us smarter (C) lift our spirits (D) leave you healthier
3. (A) acquire (B) ensure (C) regulate (D) dominate
4. (A) didn¡¦t inject (B) aren¡¦t to be injected (C) wouldn¡¦t be injecting (D) hadn¡¦t been injected
5. (A) upon (B) at (C) from (D) by
µª®×¡G1.C 2.B. 3.A 4.D 5.C
¥Ø¿ý / Tips & Analysis / More to Learn / ¤¤¤å½Ķ
Tips & Analysis
The signals of hunger¡Xthe sharp hunger pangs and grumbling stomach noises¡Xoften grow in frequency until the thought of food overwhelms every other thought in our mind.
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a. (A) demand [ dÈþ£¿mænd ] n. »Ý¨D;n¨D
in demand ³Q»Ýn
• Facial masks are in high demand during the severe pandemic.
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(B) contrast [ £¿kɑn͵træst ] n. ¹ï¤ñ
in / by contrast ¬Û¤ñ¤§¤U
• Life in big cities is busy. In contrast, living in the country is quite relaxing.