context sounds and pitch discrimination thresholds (Marion Cousineau )


Subject: context sounds and pitch discrimination thresholds
From:    Marion Cousineau  <marioncousineau@xxxxxxxx>
Date:    Tue, 4 Oct 2011 14:08:56 -0400
List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>

Dear list, I am interested in looking at the effect of precursor sounds on pitch discrimination thresholds. That is somehow looking at the effect of context sounds, but I am NOT talking about tonal context. An example would be comparing thresholds obtained with a standard 2I-2AFC, with thresholds obtained with the same procedure but where each trial is preceded by two repetitions of the reference, for instance. The underlying question is whether or not a repetition of the reference (or another sound close in pitch) can sharpen the internal representation of the following test sounds. I haven't been able to find papers where this kind of effects were investigated, and was wondering if some of you knew about and could point me to existing data on that matter. Cheers, Marion


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