DRD4基因的7r变异体是一种多巴胺受体基因。它已经被证明与追求新奇的个性相关。
The 7r variant of DRD4, a dopamine receptor gene, had previously been associated with novelty seeking.
研究人员早已发现多巴胺D4受体基因与酗酒、赌瘾以及像嗜好看恐怖电影等危害性较小的追求刺激行为有关。
The same gene has already been linked to alcoholism and gambling addiction, as well as less destructive thrills like a love of horror films.
他们发现了一个称为多巴胺D2受体（DRD2）的分子的基因差异，DRD2受体是人脑细胞上对神经递质多巴胺敏感的一种蛋白质。
They found the differences in the gene for a molecule called the dopamine D2 receptor (DRD2), a protein present on brain cells that are sensitive to the neurotransmitter dopamine.
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