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Posted on February 24 at 12:16 p.m.
Tam, look at it from a slightly different angle. A physical process that can be described along a single continuous dimension can still be associated with qualitatively different (mental and/or physical) properties at different points on the continuum. Take, for example, visible light that corresponds to electromagnetic radiation in a spectrum of wavelengths from about 390 to 750 nm. Although the spectrum is continuous, wavelengths around 530 nm appear green to the human observer, whereas wavelengths around 680 nm appear red. There is a qualitative difference between the appearance of red and the appearance of green, even though there is no clear wavelength boundary between the two colors. In sum, a continuous physical process can be associated with qualitatively different contents of consciousness. And what is true for the contents of consciousness may also be true for consciousness as a whole: That it is an emergent property of continuously varying physical (brain) processes.
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