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Impaired Outcome Evaluation During Risky Decision-Making in Individuals with Methamphetamine Use Disorder

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Abstract

Decision-making is one of the cognitive domains in which drug users are commonly impaired. To our knowledge, few studies have investigated the underlying mechanism of risk-taking behavior among individuals with methamphetamine use disorder (MUD) using a computational approach. Ninety-six right-handed male participants (63 individuals with MUD who were currently abstinent and 33 healthy controls) were included in Experiment 1, and 94 right-handed male participants (63 individuals with MUD who were currently abstinent and 31 healthy controls) were included in Experiment 2. To investigate whether individuals with MUD exhibit different risk-taking behavior from healthy controls and understand the possible underlying psychological processes, we used the Balloon Analogue Risk Task (BART) with and without methamphetamine-related pictures and the method of computational modeling. After individuals with MUD completed the BART, a 5-min video of methamphetamine use was displayed, and individuals with MUD then rated their subjective craving using a visual analogue scale. Individuals with MUD displayed higher risk-taking behavior than healthy controls when participants were exposed to methamphetamine-related pictures. The results of computational modeling revealed that the risk-taking propensity parameter was significantly higher in individuals with MUD than in healthy controls. The craving scores were positively correlated with the risk-taking propensity parameter and the updating coefficient when individuals with MUD were exposed to methamphetamine-related pictures. Higher risk taking in individuals with MUD could be explained by differences in the risk-taking propensity parameter, which reflects how participants evaluate the outcomes. These findings can be used to guide future work in targeting the evaluation process among people with MUD.

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Acknowledgements

We thank Ming-Hui Li, Di Zhao, Qian Zhuang, Bin Zhan, Lanjun Zhou, and Yan Zeng for helps in collecting the data.

Funding

This work was supported by the National Natural Science Foundation of China (no. 92046006; 31671166), Young Elite Scientists Sponsorship Program by CAST (no. YESS20160143), and Lingang Laboratory grant no. LG-QS-202203–10. The funders had no role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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Correspondence to Ti-Fei Yuan or Li-Lin Rao.

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The authors declare no competing interests.

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Sui, XY., Zhang, M., Yuan, TF. et al. Impaired Outcome Evaluation During Risky Decision-Making in Individuals with Methamphetamine Use Disorder. Int J Ment Health Addiction 22, 299–318 (2024). https://doi.org/10.1007/s11469-022-00873-3

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  • DOI: https://doi.org/10.1007/s11469-022-00873-3

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