Status of unchosen objects in discrimination learning by monkeys

Douglas L. Medin*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Monkeys were given a mixture of discrimination training and choice trials. The choice involved a previously unchosen object selected from a trial where the chosen object had been rewarded vs. a previously unchosen object selected from a trial where the chosen object had not been rewarded. On these nondifferentially rewarded choice trials, monkeys exhibited a small but consistent preference for the previously unchosen object that had been associated with a rewarded outcome. The results showed that the outcome of a discrimination trial is associated to varying degrees with both the chosen and unchosen objects, but the mechanism by which unchosen objects are associated with trial outcomes remains uncertain.

Original languageEnglish (US)
Pages (from-to)118-120
Number of pages3
JournalBulletin of the Psychonomic Society
Volume9
Issue number2
DOIs
StatePublished - Feb 1977

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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