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How Was My Childhood? I Forget

机译:我小时候怎么样?我忘了

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What's your earliest memory? Most people can't remember events before about age 3, a phenomenon called infantile amnesia. In May, researchers announced they finally might have pinpointed the cause. As neurons form rapidly during infancy and early childhood -through a process called neurogenesis - new neurons rearrange connections and destabilize existing memories. Mice, like humans, display infantile amnesia. To explore why, researchers trained mice to fear a particular environment, then gave some mice access to running wheels, since exercise is known to stimulate neurogenesis. Afterward, researchers found, the exercisers had largely forgotten their fear, whereas the sedentary mice still remembered it.
机译:你最早的记忆是什么?大多数人不记得3岁之前的事件,这种现象称为婴儿失忆症。五月份,研究人员宣布他们最终可能已经查明了原因。在婴儿期和儿童早期,神经元迅速形成-通过称为神经发生的过程-新的神经元重新排列连接并破坏现有记忆的稳定性。像人类一样,小鼠表现出婴儿失忆症。为了探究其原因,研究人员训练了小鼠以使其惧怕特定的环境,然后让一些小鼠接触跑步轮,因为已知运动能刺激神经发生。之后,研究人员发现,锻炼者基本上已经忘记了他们的恐惧,而久坐的老鼠仍然记得它。

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  • 来源
    《Discover》 |2015年第1期|56-56|共1页
  • 作者

    LISA RAFFENSPERGER;

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