According to Eric Lenneberg, the linguist who popularized the critical period hypothesis, the function of language tends to settle in the left hemisphere of the brain after the critical period.

根据推广关键期假说的语言学家埃里克·伦内伯格（Eric Lenneberg）的说法，在关键期之后， 语言的功能往往会稳定在大脑的左半球。