. Cocaine and food deprivation : effects on food-reinforced fixed-ratio performance in pigeons. Cocaine; Food supply; Reinforcement (Psychology); Pigeons. (71 o 100 - 10 • •>% 1 - - 70% ffw • Acute O Chronic 122^ 100 - 10 C S 1 - 1221 c s 62 100 - 10 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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Size: 2250px × 1110px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookc, bookcentury1900, booksubjectfoodsupply, booksubjectpigeons