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New research conducted by brain researcher Avi Karni of the University of Ha
New research conducted by brain researcher Avi Karni of the University of Ha
游客
2023-07-18
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问题
New research conducted by brain researcher Avi Karni of the University of Haifa in Israel explores the possibility that naps help lock in sometimes fleeting long-term memories. A 90-minute daytime【C1】______. might help the most, the study finds.
"We still don’t know the【C2】______mechanism of the memory process that occurs during sleep, but the【C3】______of this research suggest it is possible to【C4】______up memory consolidation," Karni said.
Long-term memory【C5】______to memories that stay with us for years, such as "what" memories -- a car accident that happened yesterday -- or " how to " memories, such as one’s learned【C6】______to play the drums.
Karni, who【C7】______the study in a recent issue of the journal Nature Neuroscience,【C8】______participants to learn a complex thumb-tapping sequence, then【C9】______the study subjects into two groups: one that【C10】______for an hour, and one that didn’t. The people who took an afternoon snooze showed【C11】______improvement in their performance by that evening.
"After a night’s sleep the two groups were at the same【C12】______, but the group that slept in the afternoon【C13】______much faster than the group that stayed【C14】______," Karni said.
【C15】______, the study also showed just how much【C16】______a 90-minute nap could help lock in long-term memories.
"Daytime sleep can【C17】______the time ’how to’ memory becomes【C18】______to interference and forgetting," Karnl said. "【C19】______of 6 to 8 hours, the brain【C20】______the memory during the 90-minute nap. " [br] 【C2】
选项
A、exact
B、accurate
C、acute
D、absurd
答案
A
解析
形容词辨义题。前文表示实验证明白天小睡对巩同记忆有效,但确切地说是什么产生了这种效果还不清楚。所以该处是讲“但是我们目前仍不清楚睡眠过程中记忆加工的具体机制。”exact意为“确切的”,符合句意。accurate意为“准确的,精确的”,多用来形容数字或记录;acute意为“严重的,激烈的,急性的”;absurd意为“荒诞的”,与原文意思不相干,故排除。
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