Even with the right equipment in place (the eye and the brain), the experience of a red apple is not a done deal. For the brain to convert a visual sensation into the experience of red, it must possess the concept “Red.” This concept can come from prior experience with apples, roses, and other objects you perceive as red, or from learning about red from other people. (Even people who are blind since birth have a concept of “Red” that they learn from conversations and books.) Without this concept, the apple would be experienced differently. For instance, to the Berinmo people of Papua New
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other cultures do peceive colors as different shades or colors altogether. This is from the granularity of the color spectrum.
