Parents were instructed to either stare at the researcher with an expressionless face or to point and laugh at her.

The study found that, although 6-month-old babies stared longer at the absurd events, showing that these were unfamiliar to them, their reactions to the events did not depend on their parents’ reactions.

However, babies watched their parents closely when they laughed. The combination of paying close attention to absurd events and to others laughing at those events might explain how babies develop the sophisticated sense of humour they possess at 12 months, the researchers said.

By their first birthdays, infants laughed at the absurd events, even when their parents remained expressionless.

Dr Mireault said: "By 12 months, infants seem to have had just enough life experience to make up their own minds – at least about what is absurdly funny.”

孩子的幽默感是从父母那里习得的，一项研究发现，六月大的婴儿就能学会对父母感到好笑的东西发笑。

研究人员发现，在宝宝六月至一岁大时，他能通过观看父母的反应知道什么是荒谬可笑的。

约翰森州立学院的吉娜•米瑞奥尔特博士和新罕布什尔大学的约翰•斯派若博士在美国对30个小孩进行了研究，并将这些小孩观看正常和可笑行为的反应记录下来。

该项目探讨六月大的婴儿在看到可笑事情时是否向父母寻求情感引导，这种现象叫作“社会参照”。

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