Re: human tetrachromate mutant reported

From: Dave Sill (dsill@highland.net)
Date: Fri Dec 01 2000 - 07:03:55 MST


hal@finney.org quoted:
>
> The two eyes perceive two different shifts in
> the color of an object relative to the perception of the color of the
> object by the unaided eye. These shifts are dependent on properties
> of the spectrophotometric color of the object which are not visible
> to the unaided eye. Therefore, the eye is capable of an expanded
> perception of color compared to the unaided eye, because each eye
> sees different colors of the same scene. This expanded perception
> is analogous to the added dimension of depth perception because each
> eye sees perspectives of the same scene.

I don't get it. I don't see--excuse the pun--how selectively filtering the
light reaching each eye can add information. The depth perception analogy
doesn't work because in this case the filtering doesn't provide new
information.

-Dave



This archive was generated by hypermail 2b30 : Mon May 28 2001 - 09:50:32 MDT