Color vision in the squirrel monkey.
- 1 January 1958
- journal article
- research article
- Published by American Psychological Association (APA) in Journal of Comparative and Physiological Psychology
- Vol. 51 (3) , 328-331
- https://doi.org/10.1037/h0042817
Abstract
This study investigated hue discrimination in the squirrel monkey, Saimiri sciureus. 5 Ss, previously trained to displace-test objects for food reward, were tested on a series of hue discrimination problems. The Ss could successfully discriminate yellow-green, green, and blue color combinations, but showed deficiencies in the long wave length end of the spectrum. These results indicate that the squirrel monkey may have a 2-color visual system of the red-blind type, characteristic of the cebus monkey and also of human protanopia.Keywords
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