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Published on: June 23, 2023
Behavioral phenotypes associated with cannabis and alcohol substitution
Claire L Pince1,2, Cianna J Piercey3, Vanessa T Stallsmith3
1Department of Psychology, Colorado State University, Fort Collins, CO, USA. Claire.Pince@colorado.edu.
Individuals using cannabis and alcohol may substitute cannabis for alcohol if they experience less negative emotions and impulsivity. Further research is needed to understand long-term effects of this substitution behavior.
Area of Science:
- Neuroscience
- Psychology
- Addiction Research
Background:
- Alcohol and cannabis co-use is prevalent in the U.S.
- Existing research on cannabis influencing alcohol consumption is mixed.
- Understanding factors influencing substitution is crucial.
Purpose of the Study:
- To explore individual factors differentiating cannabis users who substitute alcohol with cannabis.
- To compare behavioral phenotypes of "substituters," "complementers," and "non-substituters."
Main Methods:
- Exploratory analysis of a within-subjects, crossover laboratory study.
- Participants completed two sessions: one with cannabis and alcohol, one with alcohol only.
- Behavioral phenotypes were compared using statistical analyses based on the Addictions Neuroclinical Assessment (ANA) framework.
Main Results:
- "Substituters" showed lower negative emotionality and impulsivity compared to "non-substituters."
- Substituters had higher positive cannabis expectancies, though not statistically significant.
- No significant differences were found between "complementers" and "non-substituters."
Conclusions:
- Lower negative emotionality and impulsivity may predict cannabis substitution for alcohol.
- Cannabis substitution is a complex behavior influenced by individual psychological factors.
- Further investigation into long-term outcomes of cannabis substitution is warranted.
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