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Color Qualia

Understanding Color Perception: Is Your 'Red' The Same As My 'Red?'

Mark Changizi, Ph.D. | Posted 12.02.2011 | Healthy Living
Mark Changizi, Ph.D.

How do we know that your "red" looks the same as my "red"? For all we know, your "red" looks like my "blue." In fact, for all we know your "red" looks nothing like any of my colors at all.