Subject: Re: perecption of durational variability From: Bruno Repp <repp@xxxxxxxx> Date: Wed, 4 Apr 2007 14:34:20 -0400 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>Hi Pierre: Were those data obtained in rhythmic contexts? What is your take on the data summarized by Friberg and Sundberg (1995)? They clearly show a discontinuity at 200-300 ms. --Bruno >Bruno and Volker,, > >Actually, Weber's law holds pretty well for durations down to about >20 ms. For filled and/or unfilled intervals, this has been shown by >Chistovich (1959), Creelman (1962), Abel (1972), and Divenyi & >Danner (1977), among others. However, it is true that for >narrow-band time markers the Weber fraction increases at intervals >shorter than about 100 ms. > >Pierre Divenyi -- Bruno H. Repp Haskins Laboratories 300 George Street New Haven, CT 06511-6624 Tel. (203) 865-6163, ext. 236 Fax (203) 865-8963 http://www.haskins.yale.edu/staff/repp.html