cochlear implant electrode array
Postoperative imaging of the multichannel cochlear implant
... serted electrode array. Between the array of 22 active electrodes (two-headed arrow) and the receiver/stimulator (large white ar- row) are 10 electrically inactive stiffening rods (small black ar- ...
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Acoustic models of consonant recognition in cochlear implant users
... 2.1.4 Types of information loss and consonant recognition abilities in CI users The important question for the present study is how other authors have attempted to explain deficits to consonant recognition. Some authors ...
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Multisection CT as a Valuable Tool in the Postoperative Assessment of Cochlear Implant Patients
... ear cochlear implant with a Hi- Focus I electrode array (in cases 1 and 2 combined with a positioner to achieve a perimodiolar position) (Fig ...This electrode array is one of ...
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Growth factor eluting cochlear implant electrode: impact on residual auditory function, insertional trauma, and fibrosis
... Cochlear implants (CIs) provide auditory perception to in- dividuals with severe to profound sensorineural hearing loss by electrically stimulating spiral ganglion neurons (SGNs) via an electrode ...
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Electrophysiological measurements with electrode types of different perimodiolar properties and the same cochlear implant electronics – a retrospective comparison study
... Modiolar Electrode is designed for insertion with minimal cochlear ...Advance Electrode and is therefore placed in a position close to the ...Modiolar electrode array takes a closer ...
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Low Power Architecture For Cochlear Implant
... In this paper it is proposed that the development of a fully integrated, low-power, ARM7TDMI core to perform the Continuous Interleaved Sampling (CIS) algorithm, which is commercially available and a popular processing ...
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Signal processing and neural network techniques used in Cochlear Implant for different types of noises
... because electrode array could not be inserted at the same depth in both ears but it can give relief from Head-shadow effect and also give higher signal-to-background ...
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3D curved multiplanar cone beam CT reconstruction for intracochlear position assessment of straight electrodes array. A temporal bones and patients study
... of cochlear implant (CI) metal artefacts in the images of the whole head in comparison with the same isolated temporal bones that present reduced soft-tissue absorption of radiation, but it was still ...
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An Introduction to Cochlear Implant Working
... Several cochlear implant devices have been developed over the ...the implant devices have the following features in common: a microphone that picks up the sound, a signal processor that converts the ...
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Evaluating and Improving Cochlear Length Measurements on Clinical Computed Tomography Images
... the electrode array ...the cochlear duct length (CDL), defined as the distance from the round window to the helicotrema along the spiral shape of the ...the electrode, while avoiding surgical ...
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High resolution temporal bone computerized tomography in paediatric sensorineural hearing loss prior to cochlear implantation
... of cochlear implant candidates not only to identify inner ear congenital and acquired abnormalities or cochlear nerve anomalies but also to detect temporal bone abnormalities or variations that may ...
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Cochlear Implant in a Patient with Arnold Chiari Syndrome
... the Cochlear Implant Outpatient Clinic of our Hospital, pre- senting a history of sensorineural hearing loss which started three years before, when she underwent to neurosurgery at other Hospital to replace ...
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Mismatch negativity in children with cochlear implant
... On the other hand, our results disagreed with Rahman et al, who assessed thirty one cochlear implanted children between four and five years of age. They found significant difference between right side implantees ...
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Cochlear implant electrode sealing techniques and related intracochlear pressure changes
... Cochlear implantation (CI) is a globally accepted treat- ment for children and adults with severe-to-profound hearing loss. In recent years, the indications for cochlear implantation have been widened to ...
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Analysis of errors made on in utero MR studies of the foetal brain in the MERIDIAN study
... Reported levels of the ive dimensions were converted to a composite index (EQ-5D-3L) using the valuation func- tion described by Dolan [26]. The visual-analogue scale yielded a value in the range from zero (worst ...
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Improving vaccination uptake in pediatric Cochlear implant recipients
... Our study revealed that immunization rates at time of surgery significantly improved after the introduction of an infectious disease vaccine specialist. Once a child was identified to be missing vaccinations during the ...
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Evaluation of Loudness Perception Performance in Cochlear Implant Users
... to participate. Then IDL test at frequencies of 500, 1000, 2000 and 4000 Hz was performed for both normal and cochlear implanted users. In this study, IDLs were performed, using the device AC 40 audiometer ...
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Testing the Clinical Programming Software of Cochlear Implant System.
... of Cochlear implants in developing ...low-cost cochlear implant system but none of these products are available in the ...of Cochlear Implant system involves the potpourri of mechanical ...
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CODING AND ANALYSIS OF SPEECH IN COCHLEAR IMPLANT: A REVIEW
... Abstract: About 5% of the total population of world has hearing impairment and this is 6.3% in India. The hearing impairment in patients can be corrected by using a hearing aid or cochlear implant (CI) ...
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Design and Implementation of Speech Processing in Cochlear Implant
... The spectral maxima sound processor (SMSP) was first successfully used in 1989. The processor includes sensitivity control, a microphone preamplifier, and a sound compressor followed by 16 band pass filters, full-wave ...
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