来自《耶鲁大学开放课程：心理学导论 第18集》

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  But if you had either one short allele or two short alleles
  但是如果你有一个或者两个短的等位基因
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  and you were confronted with maltreatment as a child,
  在儿童时期又经历过虐待
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  you had a much greater probability of becoming depressed
  你会有比别人大很多的机率 在你生命的某一时间
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  at some time in your life. And this has been replicated with other samples,
  患上抑郁症 这个研究被复制到其他样本
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  with other forms of major trauma. And basically the story is,
  研究其他种类的重大创伤 基本上结论是
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  it takes the intersection of a genetic predisposition
  基因型的易患病体质
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  and major stress to create full-blown depression in some people.
  和重大压力的交互才能在一些人中形成抑郁症
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  Now, that may not be true for all genetic predispositions
  而且不一定在所有基因型易患病体质
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  or all forms of depression, but this serotonin finding has actually
  或者所有形式的抑郁症中成立 但是这个发现
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  been replicated now in at least four different studies。
  至少被复制到四个不同研究中
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  So, it seems to be a pretty reliable effect。
  所以它看来还是一个比较可靠的结论
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  So again, genes do not determine the disorder, but the intersection of genes
  所以说基因并不能决定情感障碍 但是基因