来自《耶鲁大学开放课程：心理学导论 第18集》

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  and about 13% of men will have an episode of serious depression in their lives.
  百分之十三的男性会在生命中经历严重的抑郁
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  So, these are extremely common kinds of problems
  所以这是人们遇到的极其常见的心理问题
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  that people experience, particularly at your age.
  特别是在你们这个年纪
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  The college years are one of the peak times of onset,
  大学时代是发病的高峰期
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  first onset, of depression in particular.
  尤其是抑郁症首次发病的高峰
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  And also, for bipolar disorder, or manic-depression, the late adolescent,
  同时也是双相障碍或躁郁症的发病高峰期 集中在青少年晚期
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  early 20s are the peak onset times for these disorders as well.
  二十岁出头
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  So, the mood disorders divide into what's called unipolar depression disorders,
  情感障碍被分成单相抑郁症
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  which is depression only and then bipolar disorders
  就是只有抑郁症的症状 以及双相障碍
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  where the person cycles between depression and mania.
  就是病人在抑郁和狂躁间反复
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  And here are the DSM criteria for major depression,
  这里是DSM对重性抑郁症的判断标准
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  one of the most severe forms of depression. And as I said, the DSM sets up these
  抑郁症中最严重的形式之一 我前面提到过 DSM中包括了