随后他们录下了实验对象睡觉的全程。录像中显示，一位女患者闭着眼睛躺在床上，做着她早些时候学过的舞蹈动作。

They then videotaped the subjects as they slept. Lying in bed, eyes closed, one female patient on the tape performs the dance moves she learned earlier.

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模仿谈话对象的动作是一种常见的人类行为，被归类为“镜像”，而心理学家对其的认知和研究已有多年。

Emulating your conversation partner's actions is a common human behavior classified as "mirroring" and has been known and studied by psychologists for years.

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在任何情况下，动物间的玩耍都包括跳跃、奔跑、攀登、投掷、摔跤和另外的一些动作，而玩耍的对象可能有其它物品或者动物。

In any case, in animals it consists of leaping, running, climbing, throwing, wrestling, and other movements, either along, with objects, or with other animals.

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