Consequently, children of a particular age cannot be expected to master educational material without taking into account their current level of cognitive development.

因此，如果不考虑特定年龄段的孩子们目前的认知发展水平，就不能期待他们能够掌握教材。

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Video games and TV might keep children engaged for hours on end, but they are not helpful to children's overall cognitive development.

电子游戏和电视可能会让孩子们连续玩上几个小时，但它们对孩子的整体认知发展没有帮助。

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In addition, iodine deficiency in children is responsible for disorders in physical and cognitive development, and hypothyroidism.

此外，儿童碘缺乏症造成身体和认知发育障碍以及甲状腺机能减退。

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He was best known for his pioneering efforts in researching the development of cognitive functions in children.

CNN: Sunday,

Trauma and growth: A new study of California births found that boys born three months after the terrorist attacks of Sept. 11, 2001, had significantly greater cognitive development at age 2 than children born before the attacks.

WSJ: Exercise in Short Bursts Is Effective