. Cocaine and food deprivation : effects on food-reinforced fixed-ratio performance in pigeons. Cocaine; Food supply; Reinforcement (Psychology); Pigeons. if) o CL 00 -1 10 - - ^(m Ac ute O 80% ffw • 90% ffw 7404. 45 100 - 10 - 1 - - 100 - 0 - 1 - - 90% ffw • A :ute1 n A :ute2 233 Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hughes, Christine

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Keywords: ., bookc, bookcentury1900, booksubjectfoodsupply, booksubjectpigeons