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Re: maximal hearable speed of pulses
From my review of literature about temporal perception and music, I
would suggest that you take a look at Pöppel's research:
Pöppel (1976) opted for a period of 20 to 30 milliseconds as the
perceptual moment or time quantum, which has been defined as the
least timewise element of psychological experience. Pöppel reported
evidence postulating an “integration mechanism” in our brain with a
controversial period of about 3 seconds that is roughly equivalent to
the time span of the conscious or psychological present.
Moreover, Pöppel (1990) proposed that this time limit of 3 seconds
could be the basis for a central neural pacemaker or biological clock
that causes tempi and tempo relationships in music to be
“unbiological” and hence with unpleasant aesthetic consequences for
listener with “traditional listening habits,” if they are not tuned
to this clock in our brain (p. 119, translated from German by E.
Pöppel, E. (1990). Unmusikalische Grenzüberschreitungen? [Unmusical
crossings of limits/thresholds?]. In C. R. Pfaltz (Ed.), Musik in der
Zeit [Music in time] (pp. 105-124). Basel, Switzerland: Helbing &
Pöppel, E. (1976). Time perception. In H. L. Teuber, R. Held, & H.
Leibowitz (Eds.), Handbook of sensory physiology (Vol.8, pp.
713-729). New York: Springer-Verlag.
Eleni Lapidaki, PhD.,
Assistant Professor of Music,
Department of Music Studies,
Aristotle University of Thessaloniki,
phone & voicemail (office):+30-2310991807
On 17 May 2006, at 17:09, Gerry Stefanatos wrote:
Normal hearing individuals can discriminate one from two clicks
little as 1 to 3 ms of silence separating them (Miller & Taylor, 1948;
Patterson & Green, 1970; Hirsh, 1975). Interestingly, some patients
temporal lobe lesions can demonstrate problems with temporal
reflected in click fusion thresholds in the order of a couple of
ms (see Stefanatos, Gershkoff and Madigan (2005) for a recent review.)
Tones require a longer ISI, in the order of 20-50 ms, as you noted.
While this tells us something about the minimal time between auditory
events that can be resolved by the human ear or brain, I am not sure
that this tells us much about resolution of a continuous train of
or when fast tapping on a snaredrum become a drumroll. But I hope it's
Gerry A. Stefanatos, D. Phil.
Director, Cognitive Neurophysiology Laboratory
Moss Rehab Research Institute
Albert Einstein Medical Center
1200 W. Tabor Rd.
Philadelphia, PA 19141
Tel: (215) 456-5962
Fax: (215) 456-5926
Len Vrijders <len.vrijders@xxxxxxxx> 05/17/06 8:05 AM >>>
I am looking for any results on experiments that give a minimal time
between events so that the human ear can still hear two sperate
At an interval of 50ms, people hear a tone instead of sperate beats,
maybe that is common knowledge but I would like to read a bit
more on the subject.
People seem to be very interested in investigating the frequencies we
can hear, and I can find many articles dealing with this
subject, but I would like to know more about the hearable speed of
pulses, e.g. when does fast tapping on a snaredrum become a
Does anyone know any articles on this matter or is maybe currently
involved in any research around the subject?
Thanks in advance,