Spread of Excitation (SoE)--a non-invasive assessment of cochlear implant electrode placement.
نویسندگان
چکیده
منابع مشابه
Intra-operative monitoring during cochlear implant surgery
Submit Manuscript | http://medcraveonline.com Abbreviations: CI, Cochlear implant; OR, Operating room; EI, electrode impedance; ECAP, electrically evoked compound action potential; SOE, spread of excitation; CT, computed tomography; DSP, digital signal processing; RF, radiofrequency transmitter; PC, personal computer; IR, Intra-operative; ESRTs, Electrical stapedil reflex thresholds, ECoh G, El...
متن کاملIntra-operative monitoring during cochlear implant surgery
Submit Manuscript | http://medcraveonline.com Abbreviations: CI, Cochlear implant; OR, Operating room; EI, electrode impedance; ECAP, electrically evoked compound action potential; SOE, spread of excitation; CT, computed tomography; DSP, digital signal processing; RF, radiofrequency transmitter; PC, personal computer; IR, Intra-operative; ESRTs, Electrical stapedil reflex thresholds, ECoh G, El...
متن کاملInvestigating the Effect of Cochlear Size in Insertion of Electrode Depth in Patients with Cochlear Implantation evaluated by CT-Scan
Background Cochlear implant surgery is an invasive procedure for patients with bilateral Sensorineural hearing loss and may cause some risks such as cochlear damage. We aimed to evaluate the effectiveness of cochlear measures obtained by computed tomography (CT) scan in predicting depth of cochlear implant insertion. Materials and Methods This study was conducted in a retrospective and cross-se...
متن کاملElectrode interaction in cochlear implant recipients: comparison of straight and contour electrode arrays.
The degree of overlap among cochlear nerve fibers stimulated by different electrodes results in electrode interaction, which has been shown to have a significantly deleterious effect on speech recognition performance in multi-electrode cochlear implant users. The Nucleus CI24R(CS) Contour array, which lies substantially closer to the modiolus than the CI24M straight array, is expected to exhibi...
متن کاملSimulating the effect of spread of excitation in cochlear implants.
A model was developed to simulate acoustically the effects of excitation spread in cochlear implants (CI). Based on neurophysiologic data, the proposed model simulates the electrical-current decay rate associated with broad and narrow types of excitation, such as those produced by monopolar and bipolar electrode configurations. The effect of excitation spread on speech intelligibility was simul...
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ورودعنوان ژورنال:
- Cochlear implants international
دوره 11 Suppl 1 شماره
صفحات -
تاریخ انتشار 2010