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Science 14 January 1983:
Vol. 219. no. 4581, pp. 191 - 193
DOI: 10.1126/science.6849131
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Articles

Science, Vol 219, Issue 4581, 191-193
Copyright © 1983 by American Association for the Advancement of Science

articles

Red/Green color opponency at detection threshold

JE Thornton, and EN Pugh Jr.

By means of visual stimnulus without temporal or spatial edges, we have achieved better isolation of chromatic signals at detection threshold than has been reported previously. Under various states of adaptation, the spectral sensitivity of the chromatic mechanism detecting middle- and long-wavelength lights corresponds with that deduced from suprathreshold red/green hue equilibriums.


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