Discrimination and generalization on a dimension of stimulus difference.
Four pigeons were trained to peck at one key when two identical stimuli were displayed, and at another key when the stimuli were displayed with a wavelength difference of 40 mmicro. With stimulus combinations ranging in difference from 0 to 70 mmicro in a generalization test, key preference was a function of the degree of difference between the stimuli.
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D000818:Animals; D010856:Columbidae; D004193:Discrimination Learning; D006801:Humans; D007858:Learning
LEARNING