实际上,除了“偷情基因”人类还拥有一种“滥情基因”。
来自宾汉顿大学的学者发现了一个叫DRD4的多巴胺受体基因,如果携带了该基因,人常常会在赌博、出轨等刺激性行为下分泌更多的多巴胺,从而失去理性。
他们一旦出轨,也往往一发不可收拾。当科学家们对DRD4基因进行溯源时发现,这种基因早在旧石器时代就已经出现。
- 参考资料:
- [1]Walum, Hasse et al. “Genetic variation in the vasopressin receptor 1a gene (AVPR1A) associates with pair-bonding behavior in humans.” Proceedings of the National Academy of Sciences 105 (2008): 14153 - 14156.
- [2]Thibonnier M , Graves M K , Wagner M S , et al. Study of V1-vascular Vasopressin Receptor Gene Microsatellite Polymorphisms in Human Essential Hypertension[J]. Journal of Molecular & Cellular Cardiology, 2000, 32(4):557-564.
- [3]Lim, Miranda M. et al. “Enhanced partner preference in a promiscuous species by manipulating the expression of a single gene.” Nature 429 (2004): 754-757.
- [4]Guo, Guang and Yuying Tong. “Age at first sexual intercourse, genes, and social context: Evidence from twins and the dopamine D4 receptor gene.” Demography 43 (2011): 747-769.
- [5]Chen, Shuangli et al. “Different effects of the DRD4 genotype on intrinsic brain network connectivity strength in drug-naïve children with ADHD and healthy controls.” Brain Imaging and Behavior 16 (2021): 464 - 475.
- [6]Bersted, Kyle A. and Lisabeth Fisher DiLalla. “The influence of DRD4 genotype and perinatal complications on preschoolers' negative emotionality☆.” Journal of Applied Developmental Psychology 42 (2016): 71-79.
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