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Article 6256 of comp.ai.philosophy:
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>From: smoore@dartmouth.edu (Sean Moore)
Newsgroups: comp.ai.philosophy
Subject: Re: Spectral Data Processing in the Brain
Message-ID: <SMOORE.92Jun15101859@griggs.dartmouth.edu>
Date: 15 Jun 92 14:18:59 GMT
Article-I.D.: griggs.SMOORE.92Jun15101859
References: <632@trwacs.fp.trw.com>
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In-Reply-To: erwin@trwacs.fp.trw.com's message of 14 Jun 92 16:16:24 GMT

In article <632@trwacs.fp.trw.com> erwin@trwacs.fp.trw.com (Harry Erwin) writes:

>   Owls are known to use narrow-band spectral data
>   in the processing of sound. This appears to be power;
>   is there any evidence of phase data being generated/
>   used in any species?

>   Reason for asking: if phase data are not generated/
>   used, then brains do not perform coherent processing
>   of input signals, and the holographic brain hypothesis
>   (for sensory data processing/storage) is false.

>   Cheers,
>   -- 
>   Harry Erwin
>   Internet: erwin@trwacs.fp.trw.com

Cats generate phase information in their visual cortices.  See 

Pollen,D.A., Ronner,S.F., "Phase Relationships Between Adjacent Simple
Cells in the Visual Cortex", Science, vol. 212, June 19, 1981, pps.
1409-1411

Sean Moore
Computer Science Dept.
Dartmouth College
Hanover, NH  03766
smoore@cs.dartmouth.edu


