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Drug use and addiction: evolutionary perspective
Russil Durrant1, Simon Adamson, Fraser Todd
1Institute of Criminology, School of Social and Cultural Studies, Victoria University of Wellington, Wellington, New Zealand. russil.durrant@vuw.ac.nz
The Australian and New Zealand Journal of Psychiatry
|December 17, 2009
Summary
Drug addiction stems from ancient motivational systems interacting with modern potent drugs. This evolutionary view explains drug use patterns, behavioral addictions like gambling, and informs policy.
Area of Science:
- Evolutionary psychology
- Neuroscience
- Public Health
Background:
- Drug use and addiction pose significant societal harms.
- Understanding the evolutionary basis of motivation is crucial for addiction research.
Purpose of the Study:
- To explain drug use and addiction through an evolutionary lens.
- To explore how ancient motivational systems interact with modern drug environments.
- To extend this analysis to developmental patterns and behavioral addictions.
Main Methods:
- Evolutionary analysis of motivational-emotional systems.
- Examination of drug interaction with these systems.
- Application of evolutionary principles to developmental and behavioral patterns.
Main Results:
- Addiction arises from the interplay between evolved reward-seeking systems and readily available potent drugs.
- The evolutionary perspective accounts for developmental trajectories in problem drug use.
- Behavioral addictions, such as problem gambling, can also be understood through this framework.
Conclusions:
- An evolutionary perspective offers a comprehensive framework for understanding drug addiction and related behaviors.
- This viewpoint has implications for clinical interventions and public policy strategies.
- Further research integrating evolutionary principles may yield novel approaches to addiction treatment and prevention.
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