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Re: Threshold of increasing/decreasing tones

Hi Stefan, 

There is considerable work on effects of direction of level change. The
bottom line seems to be that rising intensity sounds are much more salient
than equivalent falling intensity sounds.  (However, see  work by Canévet &
colleagues for a possible exception to this rule).  Patterson & colleagues
have also done work on "ramped" and "damped" sounds as have Stecker &
Hafter.  However, the duration of these sounds is quite brief in comparison
to the work cited below. .  

Canévet, G., & Scharf, B. (1990). The loudness of sounds that increase and
decrease continuously in level. Journal of the Acoustical Society of
America, 85, 2136-2142.

Canévet, G., Scharf, B., Schlauch, R. S., Teghtsoonian, M., & Teghtsoonian,
R. (1999). Perception of changes in loudness. Nature, 398(6729), 673.

Ghazanfar, A. A., Neuhoff, J. G., & Logothetis, N. K. (2002). Auditory
looming perception in rhesus monkeys. Proceedings of the National Academy of
Sciences USA, 9924, 15755-15757.

Lu, T., Liang, L., & Wang, X. (2001). Neural representations of temporally
asymmetric stimuli in the auditory cortex of awake primates. Journal of
Neurophysiology, 856, 2364-2380.

Neuhoff, J. G. (1998). Perceptual bias for rising tones. Nature, 395 6698,

Neuhoff, J. G. (2001). An adaptive bias in the perception of looming
auditory motion. Ecological Psychology, 132, 87-110.

Seifritz, E., Neuhoff, J. G., Bilecen, D., Scheffler, D., Mustovic, H.,
Schächinger, H., Elefante, R., & Di Salle, F. (2002). Neural processing of
auditory 'looming' in the human brain. Current Biology, 12, 2147-2151.

Teghtsoonian, R., Teghtsoonian, M., & Canevet, G. (2005). Sweep-induced
acceleration in loudness change and the "bias for rising intensities".
Perception & Psychophysics, 67(4), 699-712.


John G. Neuhoff
Department of Psychology
The College of Wooster 
Wooster, OH 44691
Phone: 330-263-2475 

-----Original Message-----
From: AUDITORY Research in Auditory Perception
[mailto:AUDITORY@xxxxxxxxxxxxxxx] On Behalf Of Stefan Kerber
Sent: Wednesday, February 15, 2006 10:18 AM
To: AUDITORY@xxxxxxxxxxxxxxx
Subject: Threshold of increasing/decreasing tones

Dear list

I am trying to determine masked threshold by the following procedure:
Subjects hear a masking noise in which a tone linearly increases/decreases
in level. The task of the subjects is to press a button when they first hear
/ no more hear the tone. Out of this response I try the calculate masked
threshold and compare it to thresholds determined by usual procedures.
Now my questions: Is anybody on the list aware of work which deals with the
masked threshold of in level increasing / decreasing tones? Are there some
studies which followed a similar approach? Is anybody aware of effects due
to the direction of level change, especially can a lowered threshold for
decreasing tones be caused by some kind of "continuity" or "priming" effect?

Thanks in advance
Stefan Kerber

Stefan Kerber
Lehrstuhl für Mensch Maschine Kommunikation AG Technische Akustik Technische
Universität München

Adress: Arcisstr. 21, 80290 München
Phone: +49 (0)89 289-28539
Fax:   +49 (0)89 289-28535
Home: http://www.mmk.ei.tum.de/~kes