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Cat Color Vision: The Effect of Stimulus Size

Michael S. Loop and Laura L. BruceAuthors Info & Affiliations
Science
17 Mar 1978
Vol 199, Issue 4334
pp. 1221-1222
DOI: 10.1126/science.628838
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Abstract

Adult cats were trained to discriminate blue from green and gray. Although the cats could discriminate the intensity of stimuli whose areas ranged from 33 to 0.36 square centimeters they could not discriminate color when the stimulus was 0.36 square centimeter (<20° visual angle). This influence of stimulus size may account for both positive and negative results of previous studies.

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Science
Volume 199 | Issue 4334
17 March 1978

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© 1978.

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Published in print: 17 March 1978

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Michael S. Loop
Department of Physiology and Biophysics and Neural and Behavioral Biology Program, University of Illinois, Urbana 61801
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Laura L. Bruce
Department of Physiology and Biophysics and Neural and Behavioral Biology Program, University of Illinois, Urbana 61801
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  • Michael S. Loop,
  • Laura L. Bruce
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Cat Color Vision: The Effect of Stimulus Size.Science199,1221-1222(1978).DOI:10.1126/science.628838

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