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Intravenous Alcohol Administration Selectively Decreases Rate of Change in Elasticity of Demand in Individuals With Alcohol Use Disorder
Published Web Location
https://doi.org/10.1111/acer.14460Abstract
Background
Alcohol demand is a key behavioral economic concept that provides an index of alcohol's relative reinforcing value. Initial studies have reported that alcohol demand increases during alcohol administration and in response to alcohol cues. However, the extent to which these effects are observed explicitly in samples composed of individuals with alcohol use disorder (AUD) and are operative in conjunction with each other has not been studied.Methods
To address this gap in the literature, we assessed alcohol demand during an alcohol challenge and subsequent alcohol cue-exposure paradigm in non-treatment-seeking, alcohol-dependent (i.e., DSM-IV criteria) participants (N = 27). Specifically, participants completed 2 counterbalanced intravenous, placebo-controlled, alcohol administration sessions followed by a controlled cue-exposure paradigm. At baseline and at breath alcohol concentration of 0.06 g/dl, participants completed the alcohol purchase task, assessing estimated alcohol consumption at escalating prices. Participants were also assessed for alcohol demand following each cue exposure.Results
During alcohol administration, there was a significant decrease in the rate of change in elasticity compared with placebo, and during the cue-reactivity paradigm, there was a significant main effect such that alcohol cues decreased the rate of change in elasticity relative to water cues. There were no statistically significant differences in other demand indices.Conclusions
These findings provide further evidence that alcohol administration increases price insensitivity and extends the literature on alcohol's effects on demand by using a clinical sample with AUD and by adding a placebo-alcohol condition.Many UC-authored scholarly publications are freely available on this site because of the UC's open access policies. Let us know how this access is important for you.
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