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Simmons, Sabrina; Santi, Angelo – Learning and Motivation, 2012
Rats were trained in a symbolic delayed matching-to-sample task to discriminate sample stimuli that consisted of the presence of food or the absence of food. Asymmetrical sample training was provided in which one group was initially trained with only the food sample and the other group was initially trained with only the no-food sample. In…
Descriptors: Intervals, Memory, Lighting, Animals
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Paleja, Meera; Girard, Todd A.; Christensen, Bruce K. – Learning and Motivation, 2011
Spatial pattern separation (SPS) and spatial pattern completion (SPC) have played an increasingly important role in computational and rodent literatures as processes underlying associative memory. SPS and SPC are complementary processes, allowing the formation of unique representations and the reconstruction of complete spatial environments based…
Descriptors: Animals, Cues, Memory, Language Processing
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Muller, Melissa D.; Fountain, Stephen B. – Learning and Motivation, 2010
Three experiments examined the processes mediating rat serial pattern learning for rule-consistent versus rule-violating pattern elements ("violation elements"). In all three experiments, rats were trained to press retractable levers in a circular array in a specific sequence for brain-stimulation reward (BSR). Experiment 1 examined the role of…
Descriptors: Animals, Cognitive Processes, Cues, Serial Ordering
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Briggs, James F.; Riccio, David C. – Learning and Motivation, 2008
The present studies examined whether the retrieval of an old "reactivated" memory could be brought under the control of new contextual cues. In Experiment 1 rats trained in one context were exposed to different contextual cues either immediately, 60 or 120 min after a cued reactivation of the training memory. When tested in the shifted context,…
Descriptors: Cues, Context Effect, Memory, Language Processing
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Vandorpe, Stefaan; de Houwer, Jan; Beckers, Tom – Learning and Motivation, 2007
Revisions of common associative learning models incorporate a within-compound association mechanism in order to explain retrospective cue competition effects (e.g., [Dickinson, A., & Burke, J. (1996). Within-compound associations mediate the retrospective revaluation of causality judgements. "Quarterly Journal of Experimental Psychology, 49B", pp.…
Descriptors: Stimuli, Memory, Inferences, Competition
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Santi, Angelo; Van Rooyen, Patrick – Learning and Motivation, 2007
Two groups of rats were trained in a symbolic delayed matching-to-sample task with a 0-s delay to discriminate sample stimuli that consisted of sequences of tone bursts. For one group, sequences varied in number with total sequence duration controlled. For the other group, total sequence duration, sum of the tone durations, and sum of the gap…
Descriptors: Cues, Intervals, Figurative Language, Diagnostic Tests
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Fountain, Stephen B.; Benson, Don M., Jr. – Learning and Motivation, 2006
Nonhuman animals, like humans, appear sensitive to the structure of the elements of sequences, perhaps even when the structure relates nonadjacent elements. In the present study, we examined the contribution of chunking, rule learning, and item memory when rats learned serial patterns composed of two interleaved subpatterns. In one group, the…
Descriptors: Memory, Animals, Serial Learning, Discrimination Learning