實際上,除了「偷情基因」人類還擁有一種「濫情基因」。
來自賓漢頓大學的學者發現了一個叫DRD4的多巴胺受體基因,如果攜帶了該基因,人常常會在賭博、出軌等刺激性行為下分泌更多的多巴胺,從而失去理性。
他們一旦出軌,也往往一發不可收拾。當科學家們對DRD4基因進行溯源時發現,這種基因早在舊石器時代就已經出現。
參考資料:
[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.