Stimulus generalization as signal detection in pigeons.
Pigeons that were reinforced for pecking at a single-wavelength responded to nearby wavelengths with lower rates. Response rates indicated the pigeons' certainty that the reinforced stimulus was present. The ratings yielded receiver operating characteristic functions that approximated straight lines on a double probability plot.
D000818:Animals; D010856:Columbidae; D003216:Conditioning, Operant; D004193:Discrimination Learning; D005793:Generalization, Psychological; D005795:Generalization, Stimulus; D008027:Light; D012054:Reinforcement, Psychology; D014796:Visual Perception