Ethanol as a positive reinforcer via the oral route for rhesus monkeys: Maintenance of fixed-ratio responding

Jack E. Henningfield, Richard A. Meisch

Research output: Contribution to journalArticlepeer-review

Abstract

Two rhesus monkeys were required to emit 1 to 16 responses (FR 1, 2, 4, 8, and 16) per 0.5 ml. delivery of either 8% (w/v) ethanol or water. Ethanol had been established as an effective reinforcer via the oral route in an earlier experiment [4]. At FR 16, responding maintained by ethanol clearly exceeded responding maintained by water for both monkeys. The volume of ethanol intake per session remained nearly constant for FR 1 to 16, however, the volume of water consumed per session decreased when FR 16 was required.

Original languageEnglish (US)
Pages (from-to)473-475
Number of pages3
JournalPharmacology Biochemistry and Behavior
Volume4
Issue number4
DOIs
StatePublished - 1976
Externally publishedYes

Keywords

  • Ethanol
  • Ethanol reinforcement
  • Fixed-ratio schedule

ASJC Scopus subject areas

  • Biochemistry
  • Behavioral Neuroscience
  • Pharmacology

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