Subject: Re: Instructions for Subjects From: poppy crum <pcrum2(at)bme.jhu.edu> Date: Wed, 2 Nov 2005 11:39:34 -0800Hi Fatima, It was actually the Ciocca study that motivated the work of my dissertation. However, the similarities stop there. The methods I used were aimed at decomposing the continuity illusion in order to better understand what features of a sound enable the phenomenon. Previous studies did not allow for a decomposition of the contributing roles of extrapolation and interpolation. My studies were not carried out to show that we hear continuity of two aligned sweeps through noise, rather, we wished to understand why this occurs, and why it breaks down - or more so, why listeners' don't always hear optimal continuity at perfect (frequency velocity) alignment. A very nice study by Kluender & Jenison (1992) was the first work that began to touch on this important issue, although it still left many questions as to the role of extrapolation. I won't get into the details of our work here unless there is an interest, but our manuscript is forthcoming. Looking forward to discussing your model in more detail (SFN?), and part of my current research studies the phenomenon in single units in the auditory cortex of awake primates. Best, - poppy crum