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Constraints on the definitions of “unique hues” and “opponent channels”

Published online by Cambridge University Press:  30 August 2019

Carl R. Ingling
Carl R. Ingling
Affiliation:
Department of Zoology, Ohio State University, Columbus, OH 43210 ringling@magnus.acs.ohio-state.edu
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Abstract

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Zone theories of color vision transform cone sensitivities to channel sensitivities before transmitting these signals to the brain. The concepts of “unique hue” and “color opponency” are fundamental to an understanding of this transformation. Saunders & van Brakel question the objectivity of these concepts. Statements in their target article indicate that the reason for this questioning stems from a failure to appreciate the constraints inherent in the definitions of these concepts.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 20 , Issue 2 , June 1997 , pp. 194 - 195
Copyright
1997 Cambridge University Press