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Title:	Using cognitive modeling to investigate the psychological processes of the Go/NoGo discrimination task in male abstinent heroin misusers
Authors:	許文耀 Liang, Chi-Wen;Zhong, Roy Yi-Xiu;Pan, Chun-Hung;Yen, Muh-Yong;Cheng, Chung-Ping;Hsu, Wen-Yau
Contributors:	心理系
Keywords:	Cognitive modelling;cue-dependent learning model;decision-making;heroin misuse;substance misuse;the Go/NoGo discrimination task
Date:	2014-08
Issue Date:	2014-06-12 10:00:29 (UTC+8)
Abstract:	Aims To use cognitive modelling to investigate psychological processes underlying decision-making in male abstinent heroin misusers (AHMs). Design A case–control study design. Setting A drug misuse treatment centre in Taiwan. Participants Eighty-eight male AHMs and 48 male controls. Measurements Four parameters representing the attention to wins, learning rate, response sensitivity and incentive of heroin-related stimuli from the modified Go/NoGo discrimination task. Finding A modified cue-dependent learning (CD) model with four parameters representing attention to wins, learning rate, response sensitivity and incentive of heroin-related stimuli had a lower value of the sum of Bayesian information criterion (showing a better fit) than the original CD model (9555.50 versus 11 192.22, P < 0.001). The AHM group had a higher value of the heroin-incentive parameter than the control group (0.26 versus −1.66, P < 0.05). The attention to wins and heroin-incentive parameters were associated positively with total commission rate and negatively with total omission rate in the AHM group (P < 0.001). Conclusions Male abstinent heroin misusers appear to be more influenced by heroin-related stimuli during decision-making than males with no history of heroin misuse.
Relation:	Addiction,Volume 109, Issue 8, pages 1355–1362
Data Type:	article
DOI 連結:	http://dx.doi.org/10.1111/add.12591
DOI:	10.1111/add.12591
Appears in Collections:	[心理學系] 期刊論文

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