Imprecise action selection in substance use disorder: Evidence for active learning impairments when solving the explore-exploit dilemma

R Smith, P Schwartenbeck, JL Stewart… - Drug and alcohol …, 2020 - Elsevier
Abstract Background Substance use disorders (SUDs) are a major public health risk.
However, mechanisms accounting for continued patterns of poor choices in the face of …

Active learning impairments in substance use disorders when resolving the explore-exploit dilemma: A replication and extension of previous computational modeling …

S Taylor, CA Lavalley, N Hakimi, JL Stewart… - Drug and Alcohol …, 2023 - Elsevier
Abstract Background Substance use disorders (SUDs) represent a major public health risk.
Yet, our understanding of the mechanisms that maintain these disorders remains …

[HTML][HTML] Decision-making under risk, but not under ambiguity, predicts pathological gambling in discrete types of abstinent substance users

MJ Wilson, J Vassileva - Frontiers in Psychiatry, 2018 - frontiersin.org
This study explored how different forms of reward-based decision-making are associated
with pathological gambling (PG) among abstinent individuals with prior dependence on …

[HTML][HTML] Decision-making in stimulant and opiate addicts in protracted abstinence: evidence from computational modeling with pure users

WY Ahn, G Vasilev, SH Lee, JR Busemeyer… - Frontiers in …, 2014 - frontiersin.org
Substance dependent individuals (SDI) often exhibit decision-making deficits; however, it
remains unclear whether the nature of the underlying decision-making processes is the …

Altered adaptive but not veridical decision-making in substance dependent individuals

A Verdejo-García, R Vilar-López… - Journal of the …, 2006 - cambridge.org
Drug addiction is associated with impaired judgment in unstructured situations in which
success depends on self-regulation of behavior according to internal goals (adaptive …

Aberrant decision-making and drug addiction—how strong is the evidence?

H Ekhtiari, TA Victor, MP Paulus - Current opinion in behavioral sciences, 2017 - Elsevier
Highlights•Decision making dysfunction (DMD) is a core component of many aspects of drug
addiction.•DMD is a multifaceted construct that can be measured across multiple domains …

Computational mechanisms of addiction: recent evidence and its relevance to addiction medicine

R Smith, S Taylor, E Bilek - Current Addiction Reports, 2021 - Springer
Abstract Purpose of Review In this article, we provide a brief review of recent computational
modelling studies of substance use disorders (SUDs), with a focus on work published within …

Impaired decision‐making under risk in individuals with alcohol dependence

D Brevers, A Bechara, A Cleeremans… - Alcoholism: clinical …, 2014 - Wiley Online Library
Background Alcohol dependence is associated with poor decision‐making under ambiguity,
that is, when decisions are to be made in the absence of known probabilities of reward and …

[HTML][HTML] Slower learning rates from negative outcomes in substance use disorder over a 1-year period and their potential predictive utility

R Smith, S Taylor, JL Stewart, SM Guinjoan… - Computational …, 2022 - ncbi.nlm.nih.gov
Computational modelling is a promising approach to parse dysfunctional cognitive
processes in substance use disorders (SUDs), but it is unclear how much these processes …

[HTML][HTML] Biases in the explore–exploit tradeoff in addictions: the role of avoidance of uncertainty

LS Morris, K Baek, P Kundu, NA Harrison… - …, 2016 - nature.com
We focus on exploratory decisions across disorders of compulsivity, a potential dimensional
construct for the classification of mental disorders. Behaviors associated with the …