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Behavioral Impulsivity Does Not Predict Naturalistic Alcohol Consumption or Treatment Outcomes
Jillian Mullen1, Charles W Mathias1, Tara E Karns1
1Department of Psychiatry, The University of Texas Health Science Center at San Antonio, San Antonio, TX.
Addictive Disorders & Their Treatment
|October 18, 2016
Summary
Behavioral impulsivity did not predict alcohol use or treatment success in a contingency management program. This suggests that while contingency management may help impulsive individuals, typical impulsivity measures may not indicate treatment response.
Area of Science:
- Neuroscience
- Psychology
- Addiction Research
Background:
- Behavioral impulsivity is a key factor in alcohol use disorders.
- Understanding impulsivity's role in treatment outcomes is crucial for developing effective interventions.
- Previous research has shown mixed results regarding impulsivity and alcohol use, necessitating further investigation.
Purpose of the Study:
- To investigate whether behavioral impulsivity predicts naturalistic alcohol consumption.
- To determine if impulsivity predicts treatment outcomes in a contingency management (CM) intervention.
- To examine impulsivity under various conditions: baseline, alcohol consumption, and serotonin depletion.
Main Methods:
- Data from 67 participants across three study phases were analyzed.
- Behavioral impulsivity was assessed using response initiation, inhibition, and delay discounting tasks.
- Naturalistic alcohol use and CM treatment outcomes were monitored over 28 days and 3 months, respectively, using transdermal alcohol monitors.
Main Results:
- Impulsivity measures at baseline, after alcohol, or after serotonin depletion did not predict naturalistic drinking.
- Behavioral impulsivity did not predict treatment outcomes from the moderation-based CM intervention.
- Group-level analysis indicated alcohol's effect on impulsivity varied by task and dose, while serotonin depletion had no effect.
Conclusions:
- Contingency management may be effective for individuals with impulsivity, regardless of baseline measures.
- Normal variations in measured impulsivity do not appear to correlate with drinking patterns or CM treatment response.
- Further research is needed to identify specific biomarkers or predictors of treatment success in impulsive populations.
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