Abstract
In three experiments that used appetitive preparations with rats, we examined the effects of reinforcing a compound consisting of two previously reinforced stimuli on subsequent responding to those stimuli. Experiment 1 showed that a Pavlovian conditioned stimulus given this treatment evoked fewer magazine entries when presented alone than did a reinforced stimulus that did not receive the compound treatment. Experiment 2 examined inhibition of delay and generalization decrement accounts for the results of Experiment 1. Experiment 3 extended this finding to an instrumental learning paradigm. These results demonstrate overexpectation in appetitive Pavlovian and instrumental paradigms. The implications for current theories of conditioning are discussed.
Original language | English (US) |
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Pages (from-to) | 351-360 |
Number of pages | 10 |
Journal | Animal Learning and Behavior |
Volume | 26 |
Issue number | 3 |
DOIs | |
State | Published - 1998 |
Externally published | Yes |
ASJC Scopus subject areas
- Neuropsychology and Physiological Psychology
- Experimental and Cognitive Psychology
- Animal Science and Zoology
- General Psychology
- Behavioral Neuroscience