Operant running as a function of deprivation and effort


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Abstract

10 adult male rats were trained to run in a treadmill and were subjected to a series of food or water deprivations. Total log running time per session was a linear function of log percentage of body weight loss under both deprivation conditions. Increasing the inclination of the treadmill resulted in a systematic decrease in running. These data are interpreted in terms of a work expenditure hypothesis of running behavior. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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