. Cocaine and food deprivation : effects on food-reinforced fixed-ratio performance in pigeons. Cocaine; Food supply; Reinforcement (Psychology); Pigeons. 1000 - 100 10 1 - - 90% ffw Acut p • PRP ? Latency Chronic | D PRP O Latency 4 m ? iO. 7404 70 c s 00 1000 - en n 100 X 10 o o 1 -. 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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Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
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Keywords: ., bookc, bookcentury1900, booksubjectfoodsupply, booksubjectpigeons