Auditory fractal random signals: Experimental data and clinical application

Author(s): Baumgartner, W., Hamzavi, J., Felix, D., Svozil, K., Meyer, R., Ehrenberger, K.

Journal/Book: Acta Oto-Laryngol. 1996; 116: PO Box 2959 Toyen, Journal Division, Customer Service, N-0608 Oslo, Norway. Scandinavian University Press. 222-223.

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.

Note: Article W Gstoettner, Univ Vienna, Sch Med, ENT Dept AKH Hno, Waehringer Guertel 18-20, A-1097 Vienna, Austria

Keyword(s): cochlea; afferents; auditory; cochlear implant; glutamate receptor kinetics; signal transmission; spike train

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