Abstract
Guinea pigs deprived of water reduce their food intake and lose weight rapidly. Bar pressing for water over the course of this weight loss is a linear log log function of percent body weight loss. Experience was found to have no effect on body weight loss but to affect the rate of bar pressing.
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1. This investigation was supported by Research Grant HD 00941 from the National Institute of Health.
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Collier, G., Levitsky, D. & Weinberg, C. Body weight loss as a measure of motivation in thirsty guinea pigs. Psychon Sci 10, 27–28 (1968). https://doi.org/10.3758/BF03331389
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DOI: https://doi.org/10.3758/BF03331389