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The contributions of value-based decision-making and attentional bias to alcohol-seeking following devaluation.


ABSTRACT: AIMS: To investigate the mediating role of attentional bias for alcohol cues on alcohol-seeking following devaluation of alcohol. DESIGN: Between subject. SETTING: Eye-tracking laboratory at the University of Liverpool. PARTICIPANTS: Student social drinkers (n = 64). MEASUREMENTS: An operant choice task in which participants chose between simultaneously presented alcohol and non-alcohol drink rewards, while attentional bias for alcohol and non-alcohol drink cues was inferred from eye movements. Participants then consumed 30 mL of an alcoholic beverage, which was either presented alone (no devaluation: n = 32) or had been adulterated to taste unpleasant (devaluation: n = 32). Choice and attentional bias for the alcohol and non-alcohol drink pictures were then measured again. FINDINGS: Alcohol devaluation reduced behavioural choice for alcohol (F = 32.64, P < 0.001) and attentional bias for the alcohol pictures indexed by dwell time (F = 22.68, P < 0.001), initial fixation (F = 7.08, P = 0.01) and final fixation (F = 22.44, P < 0.001). Mediation analysis revealed that attentional bias partially mediated the effect of devaluation on alcohol choice; however, the proportion of the variance accounted for by attentional bias is low to moderate (~30%). CONCLUSIONS: Among student social drinkers, attentional bias is only a partial mediator of alcohol choice following devaluation of alcohol. Value-based decision-making may be a more important determinant of drinking behaviour among student social drinkers than attentional bias.

SUBMITTER: Rose AK 

PROVIDER: S-EPMC3746131 | biostudies-literature | 2013 Jul

REPOSITORIES: biostudies-literature

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The contributions of value-based decision-making and attentional bias to alcohol-seeking following devaluation.

Rose Abigail K AK   Brown Kyle K   Field Matt M   Hogarth Lee L  

Addiction (Abingdon, England) 20130404 7


<h4>Aims</h4>To investigate the mediating role of attentional bias for alcohol cues on alcohol-seeking following devaluation of alcohol.<h4>Design</h4>Between subject.<h4>Setting</h4>Eye-tracking laboratory at the University of Liverpool.<h4>Participants</h4>Student social drinkers (n = 64).<h4>Measurements</h4>An operant choice task in which participants chose between simultaneously presented alcohol and non-alcohol drink rewards, while attentional bias for alcohol and non-alcohol drink cues wa  ...[more]

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