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Cochlear mechanics.

Dear colleagues,

In models of the basal region of the cochlea, the basilar-
membrane stiffness S is often assumed to depend on the 
longitudinal coordinate x as follows:

S = S_0 * e^(-x/d) ,

where d is about 3 mm.  Yesterday I found that absence 
of significant reflections is predicted even for low 
frequencies if a different function is used instead:

S = S_0 * [1 - x/(4d)]^4 .                   

I have written a text-file of about 1.5 pages giving details. 
Please write if you want to receive that file.

With many thanks, sincerely,

Reinhart Frosch. 

Reinhart Frosch,
Dr. phil. nat.,
r. PSI and ETH Zurich,
Sommerhaldenstr. 5B,
CH-5200 Brugg.
Phone: 0041 56 441 77 72.
Mobile: 0041 79 754 30 32.
E-mail: reinifrosch@xxxxxxxxxx .