The majority of previous research has focused on how we learn and remember new information.

以前的大多数研究都集中在我们如何学习和记忆新信息上。

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James Burke of Duke University is one of the authors of a study reviewing previous research on cognitive decline.

杜克大学的詹姆斯·伯克是一项研究的作者之一，该研究回顾了此前有关认知能力下降的研究。

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The new work does go further than previous research and suggests that screen time should still be considered a potential barrier to young people's flourishing.

这项新研究确实比之前的研究更进一步，它表明屏幕使用时间仍应被视为年轻人成长的潜在障碍。

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James Burke of Duke University is one of the authors of a study reviewing previous research on cognitive decline.

VOA: standard.2010.06.17

Dr.Mark Hamer of University College London says previous research found that smokers have a higher rate of mental illness, specifically depression.

VOA: standard.2010.06.15

Previous research in 2008 surveyed doctors about their recommendations for older patients.

VOA: standard.2010.03.18

Previous research had shown a steady increase of parents who refuse immunization in the last decade.

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This finding may reflect previous research on differences in risk tolerance between women and men.

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The findings echo previous research linking higher BMI to sleep deprivation and irregular sleep schedules.

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