Journal
JOURNAL OF EXPERIMENTAL PSYCHOLOGY-ANIMAL BEHAVIOR PROCESSES
Volume 36, Issue 4, Pages 456-470Publisher
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/a0018528
Keywords
partial reinforcement; continuous reinforcement; feature positive; predictive validity; attention; associability
Funding
- Biotechnology and Biological Sciences Research Council of the UK (BBSRC)
- BBSRC
- Biotechnology and Biological Sciences Research Council [BB/F01239X/1] Funding Source: researchfish
- BBSRC [BB/F01239X/1] Funding Source: UKRI
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Four appetitive Pavlovian conditioning experiments with rats examined the rate at which the discrimination between compounds AY and AX was solved relative to the discrimination between compounds AY and BY. In Experiments 1 and 2, these discriminations were preceded by training in which A and B were continuously reinforced and X and Y were partially reinforced. Consistent with the Pearce and Hall (1980) model, the results showed that the AY/AX discrimination was solved more readily than the AY/BY discrimination. In Experiments 3 and 4, the discriminations were preceded by feature-positive training in which trials with AX and BY signaled food but trials with X and Y did not. Consistent with the Mackintosh (1975) model, the results showed that the AY/BY discrimination was solved more readily than the AY/AX discrimination. These results are discussed with respect to a hybrid model of conditioning and attention.
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