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Advances in Psychological Science    2014, Vol. 22 Issue (2) : 191-204     DOI: 10.3724/SP.J.1042.2014.00191
Special Column for Decision-making Psychology |
The Role of Genes in Risky Decision Making
HE Qinghua;XUE Gui;CHEN Chunhui;DONG Qi;CHEN Chuansheng
(1 Faculty of Psychology, Southwest University, Chongqing 400715, China) (2 National Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing 100875, China) (3 University of California, Irvine, CA 92697, USA)
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Abstract  

Risky decision making is a complex process that involves weighing different options in terms of their likelihood of potential rewards and risks. It is one of the most important cognitive functions of the human brain. People differ significantly in their everyday risky decision making, partly influenced by genetic and environmental factors. In this article, we first review recent studies investigating the effect of genetic factors on risky decision making, including twin studies and molecular genetic studies. Candidate genes included dopamine-related genes (e.g., COMT and DAT), serotonin-related genes (e.g., SLC6A and TPH1), and other genes (e.g., BDNF). We then discussed the contribution of environment as well as gene-environment interaction to risky decision making. Recent studies have also incorporated brain anatomy and functions as endophenotypes of risky decision making in molecular genetic research. In the final section, we outline directions of future research that should emphasize gene-environment interactions and brain structure and functions as the mediators between genes and risky decision making.

Keywords heritability      genes      risky decision making      environment      gene-environment interaction      brain     
:  null  
Corresponding Authors: CHEN Chuansheng   
Issue Date: 15 February 2014
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HE Qinghua
XUE Gui
CHEN Chunhui
DONG Qi
CHEN Chuansheng
Cite this article:   
HE Qinghua,XUE Gui,CHEN Chunhui, et al. The Role of Genes in Risky Decision Making[J]. Advances in Psychological Science, 2014, 22(2): 191-204.
URL:  
http://journal.psych.ac.cn/xlkxjz/EN/10.3724/SP.J.1042.2014.00191     OR     http://journal.psych.ac.cn/xlkxjz/EN/Y2014/V22/I2/191

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