Abstract
Two rats were given food every 90 sec. Both developed polydipsia. When the empty pellet dispenser operated every 90 sec., drinking gradually declined, remained below normal in a succeeding reinforcement session, and recovered to normal the next day.
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Segal, Evalyn F., & Oden, D. L. Determinants of polydipsia in rats: A reply to Stein. I. Emptying the water bottle. Psychon. Sci., 1965, 201-202.
Segal, Evalyn F., & Deadwyler, S. A. Determinants of polydipsia in rats: II. DRL extinction. Psychon. Sci., 1965, 203-204.
Stein, L. Excessive drinking in the rat: Superstition or thirst? J. comp. physiol. Psychol., 1964, 58, 237–242.
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Supported by NSF GB 1605, NIMH 8505,and an NSF Undergraduate Research Participation Grant.
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Segal, E.F., Oden, D.L. & Deadwyler, S.A. Determinants of polydipsia: III. Withholding food on a free-reinforcement schedule. Psychon Sci 2, 205–206 (1965). https://doi.org/10.3758/BF03343407
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DOI: https://doi.org/10.3758/BF03343407