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Schedule-Induced Polydipsia as a Function of the Consummatory Rate

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Abstract

Schedule-induced polydipsia was studied in 2 food-deprived rats. In one condition one food pellet was presented per “meal,” and effects of varying the inter-meal interval were studied. It was found that as inter-meal interval increased, water intake per session decreased, whereas amount drunk per interval increased, reaching a maximum at 4 min., before decreasing at 5 min. In a second condition rate of food consumption was held constant by increasing meal size as inter-meal interval increased. Despite holding consummatory rate constant, as inter-meal interval increased, the amount drunk per session again decreased. These results are incompatible with the suggestion that schedule-induced polydipsia is a function of consummatory rate.

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This work was carried out under a Science Research Council studentship. The author wishes to record his grateful thanks to Dr. D. E. Blackman for his support and suggestions throughout the course of the study.

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Bond, N. Schedule-Induced Polydipsia as a Function of the Consummatory Rate. Psychol Rec 23, 377–382 (1973). https://doi.org/10.1007/BF03394181

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  • DOI: https://doi.org/10.1007/BF03394181

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