Re: Definition of masking ("Richard J. Fabbri" )

Subject: Re: Definition of masking
From:    "Richard J. Fabbri"  <fabbri(at)NETAXIS.COM>
Date:    Fri, 2 Jul 1999 09:00:39 -0400

Chris, >The problem then is that to call something "masking" we need to be sure >of the underlying process. ...Yes. ... I have worked on masking along a new physiologic route for several years and am convinced it is an interactive consequence occuring DURING the interaction. >For example, we shouldn't call the increase in threshold for a tone >following a masker "forward masking" unless we can be sure that >the process is one of swamping rather than, say, adaptation. ... Yes. ... Masking is a "swamping" interaction and, as such, requires all signal elements to be present during the same time period. ... An effect succeeding a stimulus (not during the stimulus) reveals a different process and may, in fact, be an adaptation, possibly a consequence of middle ear (AGC?) time constants: I agree with this masking qualification. Regards, Rich

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