https://digitalcommons.montclair.edu/psychology-facpubs/144/
"Color Enhances Orthonasal Olfactory Intensity and Reduces Retronasal O" by Brian J. Koza, Anna...
The effect of color on orthonasal and retronasal odor intensities was investigated. When odorants were smelled orthonasally (i.e., through the nostrils), color...
colorenhancesorthonasalolfactoryintensity