Drug addiction: the neurobiology of disrupted self-control.
Level 5 - mechanism / opinion, no new human data
Narrative review and conceptual framework without primary human data or systematic review methodology.
PubMed 17070107 · doi:10.1016/j.molmed.2006.10.005
What was done
Narrative review and conceptual synthesis summarizing neurobiological findings on how drugs of abuse alter limbic dopamine signaling, induce neuroplastic adaptations, and impair neural circuits underlying self-control and decision-making.
What was found
No quantitative data or statistical metrics are reported in the abstract. Qualitatively, drugs of abuse induce dopamine surges in limbic regions that trigger neuroplastic adaptations across circuits responsible for reward, motivation and drive, salience attribution, memory consolidation, and inhibitory control. The authors conclude that addiction erodes the shared neural substrates supporting self-control and suggest treatments must target these multiple circuits concurrently.
Why it matters
This paper frames addiction as a circuit-level neurobiological disruption of self-control rather than a moral failure, providing a conceptual basis for multi-target clinical interventions.
Limits
The abstract provides no primary data, sample size, quantitative effect estimates, or systematic review protocol. As a narrative review, it represents expert conceptual synthesis and mechanism-based reasoning rather than empirical trial evidence.
Cited by
- supports Almost every drug of addiction, including nicotine, alcohol, heroin, cocaine, and amphetamine, hijacks the brain's dopamine system.