你的朋友会改变你的智商，从基因层面
<p><span word="Researchers">Researchers</span> <span word="from">from</span> <span word="Berlin">Berlin</span> <span word="analysed">analysed</span> <span word="the">the</span> <span word="characteristics">characteristics</span> <span word="of">of</span> <span word="a">a</span> <span word="number">number</span> <span word="of">of</span> <span word="genes">genes</span> <span word="among">among</span> <span word="a">a</span> <span word="group">group</span> <span word="of">of</span> <span word="healthy">healthy</span> <span word="adolescents">adolescents</span>, <span word="and">and</span> <span word="compared">compared</span> <span word="the">the</span> <span word="results">results</span> <span word="with">with</span> <span word="intelligence">intelligence</span> <span word="scores">scores</span> <span word="and">and</span> <span word="various">various</span> <span word="neurological">neurological</span> <span word="traits">traits</span>.</p><p>柏林的一些研究者研究了一组健康青年人的人格特征，并把这些结果和智商以及各种神经学特征进行了比较。</p><p>本来，在理想状态下，他们是要检查整个基因序列的。但因为样本量只有不到1500，所以他们只能把注意力聚焦于我们大脑中做决策的那一部分。</p><p><span word="The">The</span> <span word="researchers">researchers</span> <span word="found">found</span> <span word="a">a</span> <span word="strong">strong</span> <span word="relationship">relationship</span> <span word="between">between</span> <span word="the">the</span> <span word="epigenetic">epigenetic</span> <span word="modifications">modifications</span> <span word="of">of</span> <span word="one">one</span> <span word="particular">particular</span> <span word="gene">gene</span> <span word="and">and</span> <span word="general">general</span> <span word="IQ">IQ</span>, <span word="suggesting">suggesting</span> <span word="our">our</span> <span word="experiences">experiences</span> <span word="not">not</span> <span word="only">only</span> <span word="affect">affect</span> <span word="the">the</span> <span word="wiring">wiring</span> <span word="of">of</span> <span word="our">our</span> <span word="brain">brain</span>, <span word="but">but</span> <span word="the">the</span> <span word="very">very</span> <span word="way">way</span> <span word="our">our</span> <span word="genes">genes</span> <span word="function">function</span> <span word="at">at</span> <span word="a">a</span> <span word="basic">basic</span> <span word="level">level</span>.</p><p>研究者们发现，有一个基因上发生的后天变异可以影响我们的整体智商，这说明我们的经历不光会影响大脑的运行，还会从基因层面影响大脑运作的原理。</p><p>这些都属于表观遗传学（<span word="Epigenetics">Epigenetics</span>）的范畴，这个学科已经成为了近年来遗传学方面的显学，它让我们得以研究环境变化和我们基因之间的关系。</p><p><span word="For">For</span> <span word="example">example</span>, <span word="in">in</span> <span word="times">times</span> <span word="of">of</span> <span word="high">high</span> <span word="stress">stress</span>, <span word="such">such</span> <span word="as">as</span> <span word="a">a</span> <span word="persistent">persistent</span> <span word="threat">threat</span> <span word="of">of</span> <span word="violence">violence</span> <span word="or">or</span> <span word="poor">poor</span> <span word="nutrition">nutrition</span>, <span word="physiological">physiological</span> <span word="changes">changes</span> <span word="in">in</span> <span word="the">the</span> <span word="organism">organism</span> <span word="can">can</span> <span word="tweak">tweak</span> <span word="your">your</span> <span word="genes">genes</span> <span word="by">by</span> <span word="adding">adding</span> <span word="or">or</span> <span word="removing">removing</span> <span word="a">a</span> <span word="chemical">chemical</span> <span word="group">group</span> <span word="that">that</span> <span word="effectively">effectively</span> <span word="locks">locks</span> <span word="them">them</span> <span word="down">down</span> <span word="or">or</span> <span word="opens">opens</span> <span word="them">them</span> <span word="up">up</span>.</p>
页:
[1]