However, researchers still do not know the specific genetic difference that could result in this trait.
但研究人员仍不清楚是什么特定的遗传差异造成了拖延症。
Dr. Erhan Genç, from Ruhr-Universität Bochum in Germany, believes that he may now have the answer.
德国波鸿鲁尔大学的Erhan Genç博士认为他现在可能找到答案了。
But, there is a catch: it only relates to women.
但还有一个问题,那就是只对女性有影响。
The expression of the TH gene differs among individuals, leading to varying levels of dopamine and other neurotransmitters in individual brains. Previous studies have already linked increased dopamine levels with impulsive behavior.
个体之间酪氨酸羟基因(TH gene)表达存在差异,导致个体大脑中分泌的多巴胺和其他神经递质的水平也有所不同。此前的研究已经发现了多巴胺水平升高与冲动行为之间的联系。
"The neurotransmitter dopamine has repeatedly been associated with increased cognitive flexibility in the past," notes Dr. Genç. "This is not fundamentally bad but is often accompanied by increased distractibility."
Genç博士称:“过去曾多次发现神经递质多巴胺与认知灵活性的增强有关,从根本上来说这没什么不好,但通常会伴随注意力更加不集中的情况”。
The chemical's ability to affect cognitive control may, therefore, affect whether a person delays a task or performs it efficiently.
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