NDLI: The auditory aftereffects of radial sound source motion with different velocities

Content Provider	Springer Nature Link
Author	Andreeva, I. G. Malinina, E. S.
Copyright Year	2011
Abstract	Auditory aftereffects were evaluated after short adaptation to radial sound source motion with different velocities. Approach and withdrawal of the sound source were simulated by means of rhythmical noise (from 20 Hz to 20 kHz) impulse sequences with an arising or diminishing amplitude. They were presented to an anechoic chamber through two loudspeakers placed at 1.1 and 4.5 m from the listener. The adapting stimulus velocities were 0.68, 3.43, 6.92, and 9.97 m/s with an adaptation duration of 5 s. At all motion velocities, the aftereffect manifested itself in divergence of psychometric functions upon approaching and withdrawing of adaptors. The direction of function displacements was opposite to that of the adaptor motion. Three parameters reflecting alteration of perception after motion adaptation were determined and compared with control data: the evaluation of stationary test stimuli; the velocity of moving test signal at the point of subjective equality (perceptually unmoving point); and the percentage of responses after averaging over all test signals. These parameters of auditory radial motion aftereffect similarly changed with the adaptor velocity. They demonstrated a significant effect at slow motion (0.68 and 3.43 m/s) and a small effect at a quick motion (6.92 and 9.97 m/s).
Starting Page	66
Ending Page	74
Page Count	9
File Format	PDF
ISSN	03621197
Journal	Human Physiology
Volume Number	37
Issue Number	1
e-ISSN	16083164
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2011-02-12
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	spatial hearing sound source motion auditory perception aftereffect Biomedicine general Human Physiology Life Sciences
Content Type	Text
Resource Type	Article
Subject	Physiology Physiology (medical)

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