Young-Helmholtz theory n. Another name for the trichromatic theory of colour vision. [Named after the English physician, physicist, and Egyptologist Thomas Young (1773–1829) who proposed it in 1802, and the German physiologist, physicist, and mathematician Hermann Ludwig Ferdinand von Helmholtz (1821–94) who subsequently championed it]
How to cite this entry: "Young-Helmholtz theory n." A Dictionary of Psychology. Edited by Andrew M. Colman. Oxford University Press 2009. Oxford Reference Online. Oxford University Press. 24 December 2011
