Conscious mind is a creation of words. Therefore, no one in his socially defined, right-thinking, right-handed mind can perceive anything not previously defined by words. Experiments have found that people lacking the words to describe subtle colours are also unable to distinguish fine differences in hues, but as soon as they are given the words to define the differences between crimson, scarlet, and vermillion, for example, they no longer see all reds as red.
[Source: T.B.Pawlicki - Exploring Hyperspace in Everyday Life]