Representation-mediated extinction of conditioned flavor aversions

Peter C. Holland, Deswell T. Forbes

Research output: Contribution to journalArticlepeer-review

52 Scopus citations

Abstract

Conditioned flavor aversions were extinguished by presenting without consequence auditory stimuli that had been previously paired with the aversive flavor. In Experiment 1, rats that received tone-sucrose pairings, then sucrose-lithium chloride (LiCl) pairings, and finally repeated tone-alone presentations showed greater sucrose consumption in subsequent testing than rats that received similar sucrose-LiCl pairings and tone-alone presentations but no initial tone-sucrose pairings. Experiment 2 demonstrated the stimulus specificity of the mediated extinction observed in Experiment 1. In Experiment 3, rats that received first-order light-food and second-order tone-light pairings prior to sucrose-LiCl pairings did not show greater subsequent sucrose consumption when extinction of the second-order tone intervened. These results suggest that conditioned stimulus (CS)-evoked representations of events can substitute for those events themselves in the extinction of previously established associations.

Original languageEnglish (US)
Pages (from-to)454-471
Number of pages18
JournalLearning and Motivation
Volume13
Issue number4
DOIs
StatePublished - Nov 1982

ASJC Scopus subject areas

  • Health(social science)
  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • Education
  • Developmental and Educational Psychology

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