Cited by 928Neurotransmitter Receptor Influence on BehaviorSubstance Abuse Treatment and OutcomesNeural and Behavioral Psychology Studies

Reinstatement of cocaine-reinforced responding in the rat

de Wit, Harriet, Stewart, Jane·1981·Psychopharmacology

Abstract

Non-contingent "priming" drug injections and conditioned stimuli associated with drug injections led to reinstatement of responding after a period of extinction. Rats implanted with intravenous catheters were trained to self-administer cocaine 1 mg/kg/injection), and then given daily test sessions consisting of a period of self-administration followed by extinction conditions. Test drug injections or conditioned stimuli were presented during extinction and the latency to the first response and the total number of responses following the treatment were measured. Cocaine injections of 0.5, 1.0, and 2.0 mg/kg restored responding during extinction, regardless of the duration of the extinction period (between 10 min and 180 min) since drug self-administration. Amphetamine, apomorphine, and morphine but not ethanol, heroin, or methohexital reinstated previously cocaine-reinforced responding. Amphetamine, cocaine, and morphine did not increase responding in animals trained to bar press only for food reinforcement, suggesting that the reinstatement effect is specific to drug-reinforced responses. The statement effect is specific to drug-reinforced responses. The final experiment showed that a tone that had been paired with drug infusions acquired a statistically significant tendency to facilitate responding when tested during extinction but this effect disappeared after the first test presentation of the tone.

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Crossref · 10.1007/bf00432175

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Authors
de Wit, H., & Stewart, J.
Affiliations
Concordia University (CA)
Venue
Psychopharmacology
Published
1981-11
Volume
75
Issue
2
Pages
134-143
ISSN
  • 0033-3158 (ISSN-L)
  • 1432-2072
OpenAlex
W2093757762
Cited by
928
References
42
Citations by year
2026: 2 · 2025: 10 · 2024: 11 · 2023: 11 · 2022: 13 · 2021: 18 · 2020: 21 · 2019: 20 · 2018: 26 · 2017: 15 · 2016: 32 · 2015: 28 · 2014: 26 · 2013: 50 · 2012: 37
FWCI
1.13
Type
journal article
Language
en
Open access
closed
Locations
  • Psychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • Spectrum Research Repository (Concordia University) (acceptedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Epidemiology › Substance Abuse Treatment and Outcomes
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
reinstatement, cocaine self-administration, extinction, conditioned stimulus, amphetamine, apomorphine, morphine, tone conditioning
MeSH terms
Animals, Cocaine, Conditioning, Classical, Extinction, Psychological, Humans, Male, Rats, Inbred Strains, Reinforcement, Psychology, Self Medication, Substance-Related Disorders, Rats

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