该研究在《儿科学期刊》上发表。

The study, published in The Journal of Pediatrics, looking at 72, 845 schoolchildren aged 13 to 15 from North and South America, Asia, Europe, and the Middle East.

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去年《儿科学期刊》发表的一篇研究表明青少年的活动常常持续到夜里很晚。

A study published in the journal Pediatrics last year showed that teens kept up their activities late into the night.

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一份发表在儿科学期刊的报告说，这项研究是否探明了莫扎特效应或一般音乐的潜在益处，还尚不确定。

A report, published in the journal Pediatrics, said it was also still unclear whether the study has detected a "Mozart effect" or a potential benefit of music in general.

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