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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
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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] 【C12】
选项
A、rate
B、level
C、standard
D、surface
答案
B
解析
名词辨义题。该句意在说明“经过一夜的休息后,两组研究对象的什么相当了”,根据上文可推断是指记忆水平。故选择level“水平,标准”。At the same level意为“在同一水平上”。rate意为“几率”; standard意为“标准”;surface意为“表面,外表”。与原文意思不符,均可排除。
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