Abstract
Pigeons were trained under free operant successive-discrimination conditions in which the discriminative stimuli were initially steady and pulsed noise and subsequently were steady houselight, positive stimulus, and flashing houselight, negative stimulus. Discrimination was poor under the first set of conditions but developed rapidly with the second set of stimuli. On reaching criterion in the discrimination involving the flashing houselight, a generalization test was given in which a number of different frequencies of houselight interruption were presented, both at full and reduced amplitude. The regularity of the negative gradients obtained indicated that this provided a suitable dimension for the study of inhibitory generalization.
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This research was supported in part by the U.K. Science Research Council. The author is very grateful for the able assistance of Jennifer Caldwell-Smith and Bundy Wilson.
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Boakes, R.A. Frequency of houselight interruption as a dimension for inhibitory generalization testing. Psychon Sci 26, 249–251 (1972). https://doi.org/10.3758/BF03328607
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DOI: https://doi.org/10.3758/BF03328607