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Re: perecption of durational variability
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.