Into the Neural Maze
Into the Neural Maze
This chapter surveys a few of the so-called “easy” problems, as referred to by Chalmers, in understanding color perception. The obscurity of psycho-neural isomorphism is highlighted by the difficulties encountered in the domain of color, and while this theme has been discussed extensively, the discussion here at least provides an opportunity to review interesting facts and ideas about color vision. Trichromacy is considered first in this chapter, since it provides the most familiar example of physiological explanation in perception—an explanation generally held to be straightforward, simple, and completely satisfactory. However, as is shown in the latter part of this chapter, the neural basis of trichromacy is not yet well understood. The prospects for physiological explanation of less elementary aspects of color vision are also discussed in broad terms, and the conclusions reached here are also discouraging for current theoretical perspectives.
Keywords: color perception, easy problems, Chalmers, psycho-neural isomorphism, domain of color, color vision, trichromacy, physiological explanation in perception, neural basis of trichromacy
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