Numerical modeling and experimental measurements of the electric potential generated by cochlear implants in physiological tissues (Articolo in rivista)

Type
Label
  • Numerical modeling and experimental measurements of the electric potential generated by cochlear implants in physiological tissues (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1109/TIM.2006.887334 (literal)
Alternative label
  • Tognola G,; Pesatori A,; Norgia M,; Parazzini M, ;Di Rienzo L,; Ravazzani P,; Burdo S,; Grandori F,; Svelto C (2007)
    Numerical modeling and experimental measurements of the electric potential generated by cochlear implants in physiological tissues
    in IEEE transactions on instrumentation and measurement
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Tognola G,; Pesatori A,; Norgia M,; Parazzini M, ;Di Rienzo L,; Ravazzani P,; Burdo S,; Grandori F,; Svelto C (literal)
Pagina inizio
  • 187 (literal)
Pagina fine
  • 193 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 56 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Tognola G,Parazzini M,Ravazzani P, Grandori F: Institute of Biomedical Engineering CNR, 20133 Milan, Italy Pesatori A: the Department, of Electronics and Information, Polytechnic University, of Milan, 20133 Milan, Italy Norgia M,Svelto C: Department of Electronics and Information, Polytechnic University of Milan, 20133 Milano, Italy. Di Rienzo L: Department of Electrotechnics, Polytechnic University of Milan, 20133 Milan, Italy. Burdo S: Servizio di Audiovestibologia, Ospedale di Circolo, 21100 Varese, Italy (literal)
Titolo
  • Numerical modeling and experimental measurements of the electric potential generated by cochlear implants in physiological tissues (literal)
Abstract
  • The electric potential pattern generated by a cochlear implant was modeled using the finite-element method. The pattern, which is a response to bipolar current pulses from the implant electrode array, was investigated for different values of the electrical parameters of the human cochlea and of the array. Simulated data are compared with measurements in a water tank. Numerical simulations were carried out for different electrode configurations. Electrode configurations were found to affect the resulting potential, and the measurements confirmed our modeling approach. This study provides a better understanding of the relationship between the stimulation parameters and the delivered electric field, which is crucial to develop more efficient and spatially localized excitations of cochlear neural tissues. (literal)
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