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- W4375951630 abstract "BackgroundMultiple theories of substance use disorder postulate an imperative role of reward processing in problematic alcohol use. However, it is unknown how different facets of reward processing converge; what underlying latent variables they represent; and how they are associated with alcohol use. MethodsSixty-three young hazardous drinkers completed self-report questionnaire (e.g. anhedonia) and behavioural task reward-related measures in an exploratory, cross-sectional study. Principle component analyses (PCA) were used to explore the underlying structure of the measures. PCA factors were correlated with measures of alcohol use. Computational analyses were employed for a subgroup of the behavioural tasks and extracted parameters correlated with measures of alcohol use.ResultsThe PCAs revealed several distinct facets of reward processing. The factors from the task PCA reflected: reward valuation, frustrative non-reward, reward/punishment bias, loss aversion, consummatory anhedonia & reinforcement learning, and risk aversion. The factors from the questionnaire PCA reflected: apathy/anhedonia, and depression & anxiety. The depression & anxiety factor was negatively associated with number of units consumed (r=-0.28, p=0.026, uncorrected) and reward/punishment bias factor was negatively associated with AUDIT (Alcohol use disorder identification test) score (r=0.30, p=0.016, uncorrected). The reinforcement learning parameter extracted from the bandit task negatively correlated with AUDIT score (r=-0.35, p=0.004, uncorrected).ConclusionsWe provide an empirically based taxonomy of reward processing in young hazardous drinkers, which demonstrates the separable reward-related constructs. Reinforcement learning, reward/punishment bias, and negative affect (depression & anxiety) are all tentatively negatively associated with problematic alcohol use." @default.
- W4375951630 created "2023-05-10" @default.
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- W4375951630 date "2023-05-08" @default.
- W4375951630 modified "2023-09-26" @default.
- W4375951630 title "A taxonomy of reward processing and associations with problematic alcohol use in young, hazardous drinkers" @default.
- W4375951630 doi "https://doi.org/10.31234/osf.io/vpbf5" @default.
- W4375951630 hasPublicationYear "2023" @default.
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