more from David J.Chalmers

Single Idea 2422

[catalogued under 12. Knowledge Sources / B. Perception / 4. Sense Data / a. Sense-data theory]

Full Idea

In vision three varieties of cones abstract out information according to the amount of light present in various overlapping wavelength ranges. Immediately, many distinctions present in the original light wave are lost.

Gist of Idea

The structure of the retina has already simplified the colour information which hits it


David J.Chalmers (The Conscious Mind [1996], 3.8.3)

Book Reference

Chalmers,David J.: 'The Conscious Mind' [OUP 1997], p.289