Time allocation in a concurrent schedule of social interaction and monetary reinforcement: Effects of d-amphetamine

Stephen T. Higgins, Maxine L. Stitzer

Research output: Contribution to journalArticlepeer-review

Abstract

Two mutually exclusive options (socializing versus monetary reinforcement) were concurrently available to two normal volunteers during 60-min experimental sessions under controlled laboratory conditions. The amount of money available in the monetary option was adjusted for individual subjects during baseline conditions until subjects divided their time approximately evenly between a social option in which they could converse with another same-sex volunteer or a monetary option in which money was earned for sitting quietly in a private room. In both subjects studied, d-amphetamine (5-25 mg) increased the percent of time allocated to the social option and total seconds of speech. This effect occured even though inceases in the time allocated to the social option necessarily resulted in a forfeiture of monetary reinforcement. The present results provide the first empirical evidence, to our knowledge, that d-amphethamine can increase the relative reinforcing effects of social interaction.

Original languageEnglish (US)
Pages (from-to)227-231
Number of pages5
JournalPharmacology, Biochemistry and Behavior
Volume31
Issue number1
DOIs
StatePublished - Sep 1988

Keywords

  • Concurrent schedule
  • Monetary reinforcement
  • Social interaction
  • Time allocation
  • d-amphetamine

ASJC Scopus subject areas

  • Biochemistry
  • Toxicology
  • Pharmacology
  • Clinical Biochemistry
  • Biological Psychiatry
  • Behavioral Neuroscience

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