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Human central auditory plasticity: A review of functional nearâ infrared spectroscopy (fNIRS) to measure cochlear implant performance and tinnitus perception
Basura, Gregory J.; Hu, Xiao‐su; Juan, Juan San. - : Wiley Periodicals, Inc., 2018
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2
Optimizing dynamic range in children using the nucleus cochlear implant
Psarros, C. E.; Dawson, P. W.; Decker, J. A.. - : Lippincott Williams & Wilkins, 2004
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3
Factors affecting speech perception outcomes for older children using multichannel cochlear implants
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4
Inhibition underlies the encoding of short voice onset times in the ventral cochlear nucleus
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5
Chronic monopolar high rate simulation of the auditory nerve: physiological and histopathological effects
TYKOCINSKI, MICHAEL; Linahan, Neil; Shepherd, R. K.. - : Kugler Publications, 2001
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6
Electrode discrimination by early-deafened subjects using the Cochlear Limited multiple electrode cochlear implant
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7
Speech perception differences between adults with a substantial hearing impairment and users of multiple-channel cochlear implant [Abstract]
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8
Speech perception & indirect benefits for severely hearing impaired children using cochlear implants [Abstract]
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9
Performance benefits and costs for children using cochlear implants and hearing aids [Abstract]
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10
Electrode-place discrimination in children using cochlear implants [Abstract]
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11
Electrical stimulation of the auditory nerve: chronic monopolar stimulation using very high stimulus rates [Abstract]
Abstract: Abstract of Poster 137 ; This is an abstract of a poster presentation from the Proceedings of the Australian Neuroscience Society 1998. This version is reproduced with the permission of the publisher. ; Speech processing strategies based on high rate electrical stimulation have been associated with recent improvements of speech perception among cochlear implant users. In the present study we investigated the effects of chronic monopolar stimulation using very high rates (14493 pulses\s). Under general anaesthesia (ketamine (20 mg/kg) and xylazine (3.8 mg/kg) i.p.) six normal hearing cats were implanted bilaterally with a three channel platinum (Pt) scala tympani electrode array, while a return Pt-electrode was placed outside the bulla. Chronic electrical stimulation using charge-balanced biphasic current pulses was delivered unilaterally via a transcutaneous leadwire connected to a backpack-stimulator for up to 2000 h. The animals hearing status was periodically monitored using acoustically evoked compound action potentials (CAP's) and brainstem responses (ABR's). In addition the electrically evoked ABR (EABR) was also recorded to ensure that the chronic stimulus was above threshold. Stimulus current and electrode voltage waveforms were monitored twice daily and access resistance (Ra) and electrode impedance (Zc) calculated. ABR and CAP thresholds were elevated immediately following implantation, but generally showed evidence of partial recovery (0-40 dB). Further deterioration of thresholds on the stimulated side (10-30 dB) was subsequently observed, while control-thresholds remained more stable. Ra (1.3-1.8 kΩ) and Zc (2.2-3.8Ω) typically increased in the first few weeks of electrical stimulation up to Ra:5.6 kΩ and Zc:8.1 kΩ, before decreasing slightly to a constant plateau. These initial results indicate changes in the electrode-tissue interface and tissue growth within the cochlea. They also indicate that chronic stimulation at these high rates may decrease residual hearing. ; 27-30 January
Keyword: cochlear implants; otolaryngology; speech perception; speech processing
URL: http://hdl.handle.net/11343/27015
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12
Evaluation of direct and indirect benefits in the selection of cochlear implant candidates [Abstract]
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13
Aided speech recognition abilities of adults with a severe or severe-to-profound hearing loss
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14
The relationship between aetiology of hearing loss and outcome following cochlear implantation in a paediatric population
O'Sullivan, P. G.; Ellul, S. M.; Dowell, B. C.. - : Monduzzi Editore, 1997
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15
Rehabilitation strategies for adult cochlear implant users
Dowell, R. C.; Blamey, P. J.; Clark, Graeme M.. - : Monduzzi Editore, 1997
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16
Factors affecting outcomes in children with cochlear implants
Dowell, R. C.; Blamey, P. J.; Clark, Graeme M.. - : Monduzzi Editore, 1997
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17
The importance of different frequency bands to the speech perception of cochlear implantees [Abstract]
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18
Speech perception results for the nucleus multiple channel cochlear implant in children and adults with residual hearing [Abstract]
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19
Cochlear implant speech processing for severely-to-profoundly deaf people
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20
Decrement in auditory nerve function following acute high rate stimulation using various stimulus paradigms in guinea pigs [Abstract]
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