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- W3004945947 abstract "Background and objectives: Although approaches combining behavioral genetics and neuroeconomics have advanced models of addiction, no study has synthesized these methods to elucidate mechanisms of competing risk-approachand risk-avoidance in social anxiety (SA). Grounded in dual-mode models of serotonergic systems and self-regulation, this study investigated associations between SA, serotonin transporter 5-HTT (LPR; rs25531) and receptor 5-HT1A genes, and risk-taking on behavioral and self-report measures.Design and methods: Young adults (N = 309) completed a neuroeconomic task measuring gambling attractiveness (δ), reward probability discrimination (γ), and risk attitudes (α). Risk genotypes included 5-HTT (LPR; rs25531) low-expression variants (SS/SLG/LGLG), and 5-HT1A (rs6295) GG.Results: Path analysis revealed that SA related to increased gambling attractiveness, but only for 5-HT1A risk groups. Although the 5-HTT (LPR; rs25531) risk genotypes and self-reported SA predicted lower social risk-taking, high-SA individuals who exhibited more accurate reward probability discrimination (γ) reported taking increased social risks.Conclusion: In line with dual-mode models, results suggest that SA predicts behavioral risk-approach at the basic decision-making level, along with self-reported social risk-avoidance, modulated by serotonergic genotypes. High-SA individuals with more accurate assessments of reward probabilities may engage in greater social risk-taking, perhaps reflecting an adaptive tendency to approach feared situations." @default.
- W3004945947 created "2020-02-14" @default.
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- W3004945947 date "2020-02-03" @default.
- W3004945947 modified "2023-09-26" @default.
- W3004945947 title "A neuroeconomic investigation of <i>5-HTT</i>/<i>5-HT1A</i> gene variation, social anxiety, and risk-taking behavior" @default.
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- W3004945947 doi "https://doi.org/10.1080/10615806.2020.1722597" @default.
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