Cited by 157Neurotransmitter Receptor Influence on BehaviorNeural and Behavioral Psychology StudiesSubstance Abuse Treatment and Outcomes

Neurobiology of dysregulated motivational systems in drug addiction

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Edwards, Scott, Koob, George F·2010·Future Neurology

Abstract

The progression from recreational drug use to drug addiction impacts multiple neurobiological processes and can be conceptualized as a transition from positive to negative reinforcement mechanisms driving both drug-taking and drug-seeking behaviors. Neurobiological mechanisms for negative reinforcement, defined as drug taking that alleviates a negative emotional state, involve changes in the brain reward system and recruitment of brain stress (or antireward) systems within forebrain structures, including the extended amygdala. These systems are hypothesized to be dysregulated by excessive drug intake and to contribute to allostatic changes in reinforcement mechanisms associated with addiction. Points of intersection between positive and negative motivational circuitry may further drive the compulsivity of drug addiction but also provide a rich neurobiological substrate for therapeutic intervention.

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  • Upregulation of postsynaptic Gs/cAMP/PKA signalling in the nucleus accumbens might be a critical neuroadaptation central to the establishment and maintenance of addiction.

    “and the upregulation of a postsynaptic Gs/cAMP/PKA signalling pathway in the nucleus accumbens might constitute a critical neuroadaptation that is central to the establishment and maintenance of the addicted state.136,137”

    From Neurobiology of addiction: a neurocircuitry analysis (2016) · cites this paper as [137]

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  1. [1]American Psychiatric Association Diagnositc and Statistical Manual of Mental Disorders 4 American Psychiatric Press Washington, DC, USA 2000

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Authors
Edwards, S., & Koob, G. F.
Affiliations
Scripps Research Institute (US)
Venue
Future Neurology
Published
2010-05-05
Volume
5
Issue
3
Pages
393-410
ISSN
  • 1479-6708 (ISSN-L)
  • 1748-6971
OpenAlex
W2163582947
Cited by
157
References
184
Citations by year
2026: 3 · 2025: 8 · 2024: 7 · 2023: 6 · 2022: 4 · 2021: 15 · 2020: 14 · 2019: 11 · 2018: 11 · 2017: 14 · 2016: 14 · 2015: 8 · 2014: 8 · 2013: 14 · 2012: 9
FWCI
4.39
Type
journal article
Language
en
Open access
Locations
  • Future Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute on Alcohol Abuse and Alcoholism (R01AA008459, F32AA018250, P50AA006420, R37AA008459, P60AA006420)
  • National Institute on Drug Abuse (R01DA010072, R01DA023597, R01DA004398, R01DA004043, R01DA023957)
  • National Institute of Diabetes and Digestive and Kidney Diseases (P01DK026741)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Health Sciences › Medicine › Epidemiology › Substance Abuse Treatment and Outcomes
Keywords
drug addiction, motivation system, negative reinforcement, positive reinforcement, brain reward system, extended amygdala, stress system, compulsivity, drug-seeking behavior, drug use behavior, addiction treatment

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