Intravenous self-administration of fencamfamine and cocaine by beagle dogs under fixed-ratio and progressive-ratio schedules of reinforcement

Marcus E. Risner, Edward J. Cone

Research output: Contribution to journalArticle

Abstract

Catheterized beagle dogs were given access to response-contingent intravenous injections of fencamfamine (FEN) or cocaine (COC) injections under a fixed-ratio (FR) schedule of reinforcement. Both drugs maintained selfadministration behavior considerably above saline levels; there was an inverted U-shaped relationship between the number of injections per daily session and the dose per injection. Presession treatment with the dopaminergic antagonist pimozide (PIM) appreciably altered both the FEN and COC dose-effect curves, suggesting a dopaminergic component in the reinforcing properties of these substances. When tested under a progressive-ratio (PR) schedule, both FEN and COC maintained nearly identical FR-values which were considerably above those seen for saline. It appears from these data that FEN may have a cocaine-like abuse potential.

Original languageEnglish (US)
Pages (from-to)93-102
Number of pages10
JournalDrug and Alcohol Dependence
Volume17
Issue number1
DOIs
StatePublished - 1986

Fingerprint

self-administration
Reinforcement Schedule
Self Administration
Cocaine
reinforcement
Intravenous Administration
Reinforcement
abuse
Dogs
drug
Injections
Values
Pimozide
Cocaine-Related Disorders
Dopamine Antagonists
Intravenous Injections
Appointments and Schedules
fencamfamine
Pharmaceutical Preparations
Therapeutics

Keywords

  • Cocaine
  • Fencamfamine
  • Fixed-ratio
  • Pimozide
  • Progressive-ratio
  • Self-administration

ASJC Scopus subject areas

  • Medicine(all)
  • Behavioral Neuroscience
  • Toxicology
  • Health(social science)

Cite this

Intravenous self-administration of fencamfamine and cocaine by beagle dogs under fixed-ratio and progressive-ratio schedules of reinforcement. / Risner, Marcus E.; Cone, Edward J.

In: Drug and Alcohol Dependence, Vol. 17, No. 1, 1986, p. 93-102.

Research output: Contribution to journalArticle

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