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Back《自然》发表遗传学研究:识别1000多个与人格相关的基因变异
《自然》发表遗传学研究:识别1000多个与人格相关的基因变异
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中国新闻网1 hour agoScience2 min readChinaView translation

《自然》发表遗传学研究:识别1000多个与人格相关的基因变异

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国际学术期刊《自然》发表遗传学论文,研究人员通过对超过100万名参与者的荟萃分析,识别出1260个与人类五大人格相关的遗传变异,其中824个为新发现,但作者强调DNA不能直接预测人格,环境因素影响更大。

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Why It Matters

过去100年间,许多研究表明遗传和环境因素都会导致人格差异,但识别与人格特质相关的遗传特征具有挑战性,因为可能涉及多个基因,且需要非常大的参与者样本量。

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中新网北京9月5日电 (记者 孙自法)国际学术期刊《自然》最新发表一篇遗传学论文称,研究人员通过对超过100万名参与者的数据进行荟萃分析,识别出1000多个与人类五大人格相关的基因遗传变异。

本项研究相关示意图。施普林格·自然 供图

该研究探究了DNA变异与人格差异之间的潜在联系,重点关注外向性、宜人性、尽责性、神经质和开放性五种人格特质。论文作者强调,本项研究结果并非表明DNA可直接预测人格,而是提示某些变异可能会影响行为特质,尽管其他环境因素可能仍会对人格发展产生更大影响。

该论文介绍,人类人格特质可分为五大类,称为“五大人格”。其中,外向性包括社交性、果断性和精力水平等特征;宜人性包括同情心、尊重和信任;尽责性包括条理、效率和责任感;神经质包括焦虑、抑郁和情绪波动;开放性包括想象力、好奇心和审美敏感度。

过去100年间,有许多研究表明遗传和环境因素都会导致人格差异。然而,识别与人格特质相关的遗传特征具有挑战性,因为可能涉及多个基因,而且需要非常大的参与者样本量才能建立有意义的关联。

在本项研究中,论文第一作者和共同通讯作者、美国密歇根州立大学Ted Schwaba与合作者一起,对46个队列的全基因组关联研究结果进行荟萃分析,这些队列共涵盖多达114万名参与者。他们从中分析发现了1260个与人格相关的遗传变异,其中包括824个此前未发现与人格相关的新变异。

进一步研究发现,遗传变异与五大人格的这些关联较为复杂,每种特质都与多个变异的组合相关,但适用于不同的人类群体(例如按年龄或地理位置划分的类别);每种人格特质在人群的差异中,约有7.4%至10.6%与人群中常见的可测量遗传变异有关。不过,环境等其他因素可能会对人类人格特质产生强烈影响。

论文作者总结说,这项研究发现的成果,可能有助于后续进一步研究影响人格的因素。(完)

What to Watch

AI outlook — possibilities, not facts

  • 后续研究将进一步探索遗传变异与人格特质之间的具体机制

    Likely · Within months

Open Questions

  • 这些遗传变异具体如何影响行为特质?
  • 环境因素在人格发展中的具体作用机制是什么?
  • 该研究结果在不同文化背景下的适用性如何?

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This article was originally published by 中国新闻网.

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