Auditory Fractal Random Signals: Experimental Data and Clinical Application

Wolfgang Gstoettner Department of Otolaryngology, University of Vienna, Austria

Wolf Baumgartner Department of Otolaryngology, University of Vienna, Austria

Jafar Hamzavi Department of Otolaryngology, University of Vienna, Austria

Dominik Felix Division of Neurobiology, University of Berne, Switzerland

Karl Svozil Institute of Theoretical Physics, Technical University of Vienna, Austria

Reiner Meyer Institute of Theoretical Physics, Technical University of Vienna, Austria

Klaus Ehrenberger Department of Otolaryngology, University of Vienna, Austria

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Abstract

In the mammalian primary cochlear afferents, fractals in the postsynaptic bursting behaviour triggered by a constant perisynaptic release of glutamatergic transmitter agonists have been demonstrated. in order to test the validity of fractally coded auditory signal transmission in man, frequency, intensity and temporal resolution tests were performed in cochlear implanted patients. All patients clearly recognized the fractally coded signals transmitted to the cochlear implants. These first results demonstrate evidence for fractally coded auditory signal transmission in man.

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Auditory Fractal Random Signals: Experimental Data and Clinical Application

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