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A Protocol for Measuring Cue Reactivity in a Rat Model of Cocaine Use Disorder
Published on: June 18, 2018
Individual differences in prefrontal cortex function and the transition from drug use to drug dependence
Olivier George1, George F Koob
1Committee on the Neurobiology of Addictive Disorders, The Scripps Research Institute, 10550 North Torrey Pines Road, SP30-2400, La Jolla, CA 92037, USA. ogeorge@scripps.edu
Neuroscience and Biobehavioral Reviews
|May 25, 2010
Summary
Understanding drug addiction requires exploring individual differences. This review proposes that failures in executive functions and cognitive modules explain varying vulnerability and addiction patterns.
Area of Science:
- Neuropsychology
- Cognitive Neuroscience
- Addiction Science
Background:
- Existing addiction hypotheses include hedonic allostasis, incentive salience, and habit formation.
- Individual variability in drug self-administration, cue sensitivity, withdrawal, and cessation is a key, underexplored feature of addiction.
Purpose of the Study:
- To propose that self-regulation and cognitive modularity concepts can explain neural bases of individual differences in drug vulnerability and addiction.
- To present the thesis that drug addiction results from failures in executive system subcomponents controlling cognitive modules (reward, pain, stress, emotion, habits, decision-making).
Main Methods:
- This is a review, synthesizing existing neuropsychological and cognitive science literature.
- The review proposes a conceptual framework integrating self-regulation and cognitive modularity to explain individual differences in addiction.
Main Results:
- Individual differences in addiction vulnerability and progression may stem from differential vulnerabilities within executive function subcomponents.
- Failures in specific cognitive modules (e.g., reward processing, decision-making) contribute to diverse addiction patterns.
Conclusions:
- A self-regulation and cognitive modularity framework offers a novel perspective on the neural underpinnings of individual differences in addiction.
- Understanding these cognitive failures is crucial for explaining varied responses to drugs and developing targeted interventions.
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