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Ward, Ryan D.; Odum, Amy L. – Journal of the Experimental Analysis of Behavior, 2005
Discrepant effects of drugs on behavior maintained by temporal-discrimination procedures make conclusive statements about the neuropharmacological bases of timing difficult. The current experiment examined the possible contribution of a general, drug-induced disruption of stimulus control. Four pigeons responded on a three-component multiple…
Descriptors: Drug Use, Intervals, Disabilities, Pharmacology
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Ghosh, Natasha; Lea, S. E. G.; Noury, Malia – Journal of the Experimental Analysis of Behavior, 2004
Two experiments examined pigeons' generalization to intermediate forms following training of concept discriminations. In Experiment 1, the training stimuli were sets of images of dogs and cats, and the transfer stimuli were head/body chimeras, which humans tend to categorize more readily in terms of the head part rather than the body part. In…
Descriptors: Animals, Animal Behavior, Behavioral Science Research, Generalization