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TED-Ed演讲(视频+MP3+双语字幕):优质睡眠的益处(2)

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  • At first glance, our ability to remember things doesn't seem very impressive at all.
  • 乍一看,我们的记忆能力并不值得惊叹。
  • 19th century psychologist Herman Ebbinghaus demonstrated that
  • 十九世纪心理学家赫尔曼·艾宾浩斯发现,
  • we normally forget 40% of new material within the first twenty minutes, a phenomenon known as the forgetting curve.
  • 一般在20分钟内我们会忘记40%的新事物,这个现象被称作“遗忘曲线”。
  • But this loss can be prevented through memory consolidation,
  • 可是记忆力可以通过对记忆的巩固来提高,
  • the process by which information is moved from our fleeting short-term memory to our more durable long-term memory.
  • 在这个巩固的过程中,新的事物会从短期记忆移到更稳定的长期记忆。
  • This consolidation occurs with the help of a major part of the brain, known as the hippocampus.
  • 记忆巩固得益于脑部的一个重要部位,这个部位被称为海马体。
  • Its role in long-term memory formation was demonstrated in the 1950s by Brenda Milner in her research with a patient known as H.M.
  • 海马体在长期记忆形成中扮演的角色于1950年代被布兰达·米尔内通过她对一位名为H.M.的病人的研究证实。
  • After having his hippocampus removed, H.M.'s ability to form new short-term memories was damaged,
  • H.M.的海马体被移除后,他形成新的短期记忆的能力遭到破坏,
  • but he was able to learn physical tasks through repetition.
  • 但他仍能够通过不断重复学习新的体能任务。
  • Due to the removal of his hippocampus, H.M.'s ability to form long-term memories was also damaged.
  • 由于海马体的移除,H.M形成长期记忆的能力也被破坏了。
  • What this case revealed, among other things,
  • 这个例子反映出
  • was that the hippocampus was specifically involved in the consolidation of long-term declarative memory,
  • 海马体在长期陈述性记忆而非程序性记忆巩固的过程中至关重要,
  • such as the facts and concepts you need to remember for that test, rather than procedural memory,
  • 陈述性记忆包括你考试要记的事实、概念等,
  • such as the finger movements you need to master for that recital.
  • 程序性记忆包括你钢琴独奏要记住的手指动作。
  • Milner's findings, along with work by Eric Kandel in the 90's,
  • 米尔内的发现加上埃里克·坎德尔在90年代的发现
  • have given us our current model of how this consolidation process works.
  • 给我们提供了这个巩固过程的现有模型。


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formation [fɔ:'meiʃən]

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n. 构造,编队,形成,队形,[地]地层

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impressive [im'presiv]

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adj. 给人深刻印象的

联想记忆
recital [ri'saitl]

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n. 背诵,吟诵,详述 n. 独奏会,独唱会

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glance [glɑ:ns]

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v. 一瞥,扫视,匆匆一看,反光,闪烁,掠过

 
durable ['djuərəbl]

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adj. 耐用持久的
n. (复)耐用品

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minutes ['minits]

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n. 会议记录,(复数)分钟

 
current ['kʌrənt]

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n. (水、气、电)流,趋势
adj. 流通的

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curve [kə:v]

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n. 曲线,弯曲,弧线,弯曲物
vt.

 
phenomenon [fi'nɔminən]

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n. 现象,迹象,(稀有)事件

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psychologist [sai'kɔlədʒist]

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n. 心理学家

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