At the centre of Frank Jackson’s articulation of the Qualia Problem is the claim that “one can have all the physical information without having all the information there is to have”. In the case of sensory experience, for example, while all sorts of comprehensive data could be recorded in a said event, there is yet an intangible element to the actual experience itself. Take, say, a person smelling a rose. Using modern technology one could capture all sorts of biochemical, psychological and cognitive processes that the act of smelling a rose invokes. Yet, the actual experience of smelling a rose cannot merely be contained and explained through this comprehensive body of information. This in essence is the Qualia problem.
Jackson illustrates the inadequacy of physicalism through couple of examples. He uses the ‘knowledge argument’ in describing the case of the exceptionally sighted Fred. Fred actually sees two colors within the conventional red spectrum. In other . . . Read More