التفاصيل البيبلوغرافية
| العنوان: |
Relating neural processing of reward and loss prospect to risky decision-making in individuals with and without gambling disorder. |
| المؤلفون: |
Balodis, Iris M., Linnet, Jakob, Arshad, Fiza, Worhunsky, Patrick D., Stevens, Michael C., Pearlson, Godfrey D., Potenza, Marc N. |
| المصدر: |
International Gambling Studies; Aug2018, Vol. 18 Issue 2, p269-285, 17p |
| مصطلحات موضوعية: |
BRAIN imaging, NEURAL circuitry, GAMBLING, PEARSON correlation (Statistics), DECISION making |
| مستخلص: |
Neuroimaging studies demonstrate alterations in fronto-striatal neurocircuitry in gambling disorder (GD) during anticipatory processing, which may influence decision-making impairments. However, to date little is known about fronto-striatal anticipatory processing and emotion-based decision-making. While undergoing neuroimaging, 28 GD and 28 healthy control (HC) participants performed the Monetary Incentive Delay Task (MIDT). Pearson correlation coefficients assessed out-of-scanner Iowa Gambling Task (IGT) performance with the neural activity during prospect (A1) processing on the MIDT across combined GD and HC groups. The HC and GD groups showed no significant difference in out-of-scanner IGT performance, although there was a trend for higher IGT scores in the HC group on the last two IGT trial blocks. Whole-brain correlations across combined HC and GD groups showed that MIDT BOLD signal in the ventral striatum/caudate/ventromedial prefrontal cortex and anterior cingulate regions during the prospect of winning positively correlated with total IGT scores. The GD group also contained a higher proportion of tobacco smokers, and correlations between neural activations in prospect on the MIDT may relate in part to gambling and/or smoking pathology. In this study, fronto-striatal activity during the prospect of reward and loss on the MIDT was related to decision-making on the IGT, with blunted activation linked to disadvantageous decision-making. The findings from this work are novel in linking brain activity during a prospect-of-reward phase with performance on a decision-making task in individuals with and without GD. [ABSTRACT FROM AUTHOR] |
|
Copyright of International Gambling Studies is the property of Routledge and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. 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.) |
| قاعدة البيانات: |
Complementary Index |
