. Cocaine and food deprivation : effects on food-reinforced fixed-ratio performance in pigeons. Cocaine; Food supply; Reinforcement (Psychology); Pigeons. 00 Q o (/) 1000 - 100 10 - 1000 - 100 10 - 1 - - Chronic 80% ffw O PRP A Latency 90% ffw • PRP ? Latency 85 (9 A O S 7404 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

---

Size: 1736px × 1439px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookc, bookcentury1900, booksubjectfoodsupply, booksubjectpigeons