Our efforts to solve the hard problem of consciousness will require significant scientific progress and a paradigm shift in what we consider an acceptable answer to this philosophical puzzle.
In his book The Conscious Mind, consciousness researcher David Chalmers distinguishes between what he calls the “easy problems” of consciousness and the “hard problems.”
The easy problems are those that can be satisfactorily solved by providing a mechanistic explanation based on the methods of scientific disciplines such as computer science, neuroscience, biology, and cognitive psychology. The easy problems include those of offering explanations of our ability to discriminate, categorize, attend to, and report on environmental stimuli; how information is integrated from different sensory modalities; and how internal body maps are used to guide our movements when we perform actions. Even if a complete explanation of these problems is not currently available, there is little doubt that one can be provided by employing scientific methodology. While solving these problems is an important step toward a complete account of consciousness, this doesn’t give us the whole picture. This is where the hard problems of consciousness enter the picture. These problems concern the phenomenal aspect of experience, or what it is like to have an experience, say, what it is like to experience bright pink, have a headache, or imagine your boss as a centaur.
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