title: Perceptual categorization of color: a life-span study.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D002648:Child; D002675:Child, Preschool; D003118:Color Perception; D004193:Discrimination Learning; D005260:Female; D006801:Humans; D008297:Male