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Concurrent Palatability-Induced and Schedule-Induced Polydipsia in Rats

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Abstract

2 food-deprived rats earning 45 mg. Noyes pellets in a variable-interval schedule of reinforcement exhibited schedule-induced polydipsia in the experimental chamber with either tap water or a 0.4% (v/w) saccharin solution in tap water. When the saccharin solution was available also to the rats in their home cages, the result was palatability-induced polydipsia. This consumption in the home cage did not affect the volume ingested or the behavior pattern during the experimental sessions in which the animals were exhibiting schedule-induced polydipsia. The average durations of individual drinking bursts, however, did vary according to the solution in the home cage (water, saccharin, or no-solution).

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Authors and Affiliations

  1. Addiction Research Foundation, 33 Russell Street, Toronto 4, Ontario, Canada

    V. A. Colotla & J. M. Beaton

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  1. V. A. Colotla
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  2. J. M. Beaton
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Colotla, V.A., Beaton, J.M. Concurrent Palatability-Induced and Schedule-Induced Polydipsia in Rats. Psychol Rec 21, 145–150 (1971). https://doi.org/10.1007/BF03394003

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  • DOI: https://doi.org/10.1007/BF03394003

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