Color memory matching in normal and red-green anomalous trichromat subjects

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Abstract

The methods of simultaneous and successive color matching have been studied for a set of seven color reference samples by 15 protanomalous and 21 deuteranomalous trichromat subjects. From comparison between both populations and a group of 25 trichromat normal ones, investigated previously under similar experimental conditions [J. Pérez-Carpinell et al. Color memory matching: time effect and other factors. Color Res Appl 1998;23:234-247], we can deduce the following. (a) For anomalous trichromat populations, as with a normal one, we find significant differences between simultaneous and successive color matching, p < 0.05. (b) If we consider the average of all the colors, we find that, while for anomalous populations there is no influence of delay time on the remembered mean color, for normal observers there is a significant difference between 15 s and the rest of the times, p < 0.03. (c) If we consider the mean of all delay times, we find that, while normal trichromat observers do not remember yellow as well as dark orange, dark blue, and violet, in anomalous populations this happens only between yellow and dark orange. (d) By memory, we find for some reference tests a correlation between the behavior in some of the components of color difference and the observers' type of color vision anomaly. © 2001 John Wiley & Sons, Inc.

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Pérez-Carpinell, J., Camps, V. J., De Fez, M. D., & Castro, J. (2001). Color memory matching in normal and red-green anomalous trichromat subjects. Color Research and Application, 26(2), 158–170. https://doi.org/10.1002/1520-6378(200104)26:2<158::AID-COL1007>3.0.CO;2-6

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