Re: HC selectivity ... was Re: Physiological models of cochlea activity - alternatives to the travelling wave

[Ramdas Kumaresan <kumar@xxxxxxxxxxx>]

----- Original Message ----- 
From: "Martin Braun" <nombraun@xxxxxxxxx>
To: <AUDITORY@xxxxxxxxxxxxxxx>
Sent: Monday, October 01, 2007 9:11 AM
Subject: Re: HC selectivity ... was Re: Physiological models of cochlea 
activity - alternatives to the travelling wave



> I understand the quoted part from the Wikipedia article "Scientific 
> Modeling" without any mathematical formulae, even though I have not written 
> it and even though I do not even know who has written it.

> You need meta-knowledge to be able to asses if a model is correct and 
> useful. In science this meta-knowledge is: All Relevant Data.

> For example, because a wealth of data proves that the basilar membrane BM) 
> in the mammalian cochlea does not respond to sound levels below about 60 
> dB, once the outer hairs cells (OHC) have been made temporally or 
> ultimately non-functional,

Is this statement true? I have heard that there is a travelling wave on the 
BM?
No travelling wave below 60 dB SPL?