@article{ref1,
title="Genetic contribution to variation in risk taking: a functional MRI twin study of the balloon analogue risk task",
journal="Psychological science",
year="2018",
author="Rao, Li-Lin and Zhou, Yuan and Zheng, Dang and Yang, Liu-Qing and Li, Shu",
volume="29",
number="10",
pages="1679-1691",
abstract="Excessive risk-taking behaviors have been implicated as a potential endophenotype for substance use disorders and psychopathological gambling. However, the genetic and environmental influences on risk taking and the risk-related brain activations remain unclear. This study investigated the heritability of risk taking and the genetic influence on individual variation in risk-related brain activation. The Balloon Analogue Risk Task was used to assess individuals' risk-taking behavior. In a sample of 244 pairs of young adult twins, we found that there was a moderate heritability (41%) of risk taking. Using voxel-level analysis, we found a moderate genetic influence on risk-related brain activation. We also found a moderate genetic correlation between risk-taking behavior and risk-related brain activation in the left insula, right striatum, and right superior parietal lobule in the active-choice condition. The present study provides important evidence for the genetic correlation between risk-taking behavior and risk-related brain activation.<p /> <p>Language: en</p>",
language="en",
issn="0956-7976",
doi="10.1177/0956797618779961",
url="http://dx.doi.org/10.1177/0956797618779961"
}