Chromatic adaptation in the pigeon |
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| Authors: | Jean Roberts Atak John A Nevin |
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| Institution: | 1. University of New Hampshire, Durham, New Hampshire
2. Department of Psychology, Bucknell University, 17837, Lewisburg, Pennsylvania
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| Abstract: | This study presents evidence that adaptation to colored light alters the apparent hue of subsequently presented stimuli in pigeons. During training, right and left keypecks were reinforced following responses to colored and nominally achromatic slides, respectively. During test sessions, subjects continued to observe and report on the two classes of slides while 6-min components alternated, such that the experimental chamber was illuminated with either a green flood lamp or a nominally white bulb. The proportion of right keypecks following achromatic slides was much higher during green components than during white components, indicating that the achromatic slides appeared more like the chromatic slides. |
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