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 language | English (US) |
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Pages (from-to) | 118-120 |
Number of pages | 3 |
Journal | Bulletin of the Psychonomic Society |
Volume | 9 |
Issue number | 2 |
DOIs | |
State | Published - Feb 1977 |
ASJC Scopus subject areas
- Catalysis
- Chemistry(all)