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This is more consilient with neuroscience's understanding of color vision. Jackson suggests that Mary is simply discovering a new way for her brain to represent qualities that exist in the world. In a similar argument, philosopher Philip Pettit likens the case of Mary to patients with akinetopsia, the inability to perceive the motion of objects.
In prescriptive color fictionalism, while color discourse is, strictly speaking, false, one should continue using it in everyday life as though color properties do exist. Color vision became an important part of contemporary analytic philosophy due to the claim by scientists like Leo Hurvich that the physical and neurological aspects of color ...
Color vision is categorized foremost according to the dimensionality of the color gamut, which is defined by the number of primaries required to represent the color vision. This is generally equal to the number of photopsins expressed: a correlation that holds for vertebrates but not invertebrates .
Perhaps Mary's failure to learn exactly what seeing red feels like is simply a failure of language, or a failure of our ability to describe experiences. An alien race with a different method of communication or description might be perfectly able to teach their version of Mary exactly how seeing the color red would feel.
"The Missing Shade of Blue" is an example introduced by the Scottish philosopher David Hume to show that it is at least conceivable that the mind can generate an idea without first being exposed to the relevant sensory experience.
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“It is a vision for seizing power and using that power to usher in a ‘Christian America.’” CNN recently spoke to Du Mez about this movement and what Americans might expect during Trump’s ...
This can occur in people who had achromatopsia, but the brain recovered from the injury, restoring some colour vision. The person may be able to see certain colours. However, there are many cases where there is no recovery. Finally, a person with hemiachromatopsia see half of their field of vision in colour, and the other half in grey.