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A New Theory of LightSensation
On Theories of LightSensation
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after-image amacrine cells blindness blue-green brightness cells Christine Ladd-Franklin chromatic sensations colour theory colour vision colour-sensation colour-triangle colour-vision colourless constituents cortex cortical curves dafs defect dissociation Donders Ebbinghaus epithelium excitation existence explain facts of colour faint light fovea function fundamental give Helmholtz theory hence Hering theory Hering's hypothesis illumination intensity Kries Ladd-Franklin theory Licht light-ray light-sensation luminosity mixture molecules nature nerve fibres nerve-excitant Netzhaut normal eye objects optic nerve periphery phenomena photo-chemical processes physical physicist physiological primitive Psychol Psychology Purkinje phenomenon radiations red and green red-greens retina rods and cones saturated scotopic vision sensation of white sensation white sense specific spectral spectrum stage suppose term tetrachromatic theories of Helmholtz theory of colour theory of Hering Thomas Young totally colour-blind Troland unitary vibrations visual elements visual purple visual sensation wave-lengths wholly yellow and blue yellow-blue Young-Helmholtz theory