Hilbert reports that his seven-year-old daughter associates the taste of good milk with the color yellow, unpleasant tastes with the color brown, and very disagreeable tastes with gray or black.
Reference:Arch Ophthalmol. 1898;27:325.
A look at the past . . .. Arch Ophthalmol. 1999;117(7):878. doi:10.1001/archopht.117.7.878