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Genetic Contribution to Variation in Risk Taking: A Functional MRI Twin Study of the Balloon Analogue Risk Task.

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Title: Genetic Contribution to Variation in Risk Taking: A Functional MRI Twin Study of the Balloon Analogue Risk Task.
Authors: Rao, Li-Lin, Zhou, Yuan, Zheng, Dang, Yang, Liu-Qing, Li, Shu
Source: Psychological Science (0956-7976). Oct2018, Vol. 29 Issue 10, p1679-1691. 13p. 3 Color Photographs, 2 Diagrams, 3 Charts.
Subjects: Functional magnetic resonance imaging, Decision making
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. [ABSTRACT FROM AUTHOR]
Copyright of Psychological Science (0956-7976) is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Genetic Contribution to Variation in Risk Taking: A Functional MRI Twin Study of the Balloon Analogue Risk Task.
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  Data: <searchLink fieldCode="AR" term="%22Rao%2C+Li-Lin%22">Rao, Li-Lin</searchLink><br /><searchLink fieldCode="AR" term="%22Zhou%2C+Yuan%22">Zhou, Yuan</searchLink><br /><searchLink fieldCode="AR" term="%22Zheng%2C+Dang%22">Zheng, Dang</searchLink><br /><searchLink fieldCode="AR" term="%22Yang%2C+Liu-Qing%22">Yang, Liu-Qing</searchLink><br /><searchLink fieldCode="AR" term="%22Li%2C+Shu%22">Li, Shu</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Psychological+Science+%280956-7976%29%22">Psychological Science (0956-7976)</searchLink>. Oct2018, Vol. 29 Issue 10, p1679-1691. 13p. 3 Color Photographs, 2 Diagrams, 3 Charts.
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  Label: Abstract
  Group: Ab
  Data: 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. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Psychological Science (0956-7976) is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1177/0956797618779961
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        Text: English
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      – TitleFull: Genetic Contribution to Variation in Risk Taking: A Functional MRI Twin Study of the Balloon Analogue Risk Task.
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              Text: Oct2018
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              Y: 2018
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