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Re: interval perception

Dear Prof. Ostwald and Dear All,
It seems really difficult to beat Bruno.  I thought this was a good chance to be the first to respond, but failed.  We are also interested in "bilateral assimilation" recently (=in this decade).  Another path we are aiming at is an electrophysiological study as in the following article,
Takako Mitsudo, Yoshitaka Nakajima, Gerard B. Remijn, Hiroshige Takeichi , Yoshinobu Goto, and Shozo Tobimatsu, "Electrophysiological evidence of auditory temporal perception related to the assimilation between two neighboring time intervals,"
NeuroQuantology, 7, 114-127, 2009.
An advantage of this kind of study is that it is very easy to make demonstrations to check the reported results, and indeed the materials seem suitable for educational purposes.
Best regards,
Yoshitaka NAKAJIMA, PhD
Professor, Department of Human Science
Director, Center for Applied Perceptual Research
Kyushu University
Fukuoka 815-8540, Japan
Telephone: +81 92 553 4564
Facsimile: +81 92 553 4520
----- Original Message -----
From: Bruno Repp
Sent: Friday, April 29, 2011 2:43 AM
Subject: Re: interval perception

Dear Jo:

If you are considering using short intervals (< 500 ms), please look at the literature on the "time shrinking" illusion by Nakajima, ten Hoopen, and coworkers. There are about a dozen published papers on this particular topic.


On 4/28/11 12:12 PM, joachim.ostwald@xxxxxxxxxxxxxxxx wrote:
Dear list,

students of mine plan to do a course project on the precission of interval timing perception.

The problem shall be addressed in two lines

- interval bisection - how precise has a signal to be in the middle of an interval to perceive the two resulting intervals as being equal. Does this depent on the duration of the original interval, does it depent on signal properties (tone pulse vs click, pulse frequency)

- if three signals are given in a series, how precisely has the timing of the third stimulus match the interval between the first two signals in order to perceive the two resulting intervals as equal

Could anybody please offer some hints to studies on these topics so we can start an in depth literature search.

Thanks very much

Jo Ostwald

Prof. Dr. Jo Ostwald
Dept. Animal Physiology        
University of Tuebingen
Auf der Morgenstelle 28      
D-72076 Tuebingen           
phone +49 7071 29 72622
fax   +49 7071 29 2618

Bruno H. Repp
Senior Research Scientist
Music Perception and Action
Haskins Laboratories
300 George Street
New Haven, CT 06511-6624
E-mail: repp@xxxxxxxxxxxxxxxx
Web page: http://www.haskins.yale.edu/staff/repp.html