Abstract:
CONCLUSION:This study described objective and subjective evaluations of the Nurotron® Venus™ Cochlear Implant System and indicated that this system produced a satisfactory performance. OBJECTIVE:To observe the performance of the Nurotron® Venus™ cochlear implant (CI) system via electrophysiological and psychophysical evaluations. METHODS:A 26-electrode CI system was specially designed. The performance of MRI in animal and cadaveric head experiments, EABR in cats experiment, the correlation between ESRT and C level, and psychophysics evaluations in clinical trials were observed. RESULTS:In the animal and cadaveric head experiments, magnet dislocation could not be prevented in the 1.5 T MRI without removal of the internal magnet. The EABR was clearly elicited in cat experiment. In the clinical trial, the ESRT was strongly correlated with C level (p < 0.001). The human clinical trial involving 57 post-lingually deafened native Mandarin-speaking patients was performed. Residual hearing protection in the implanted ear at each audiometric frequency was observed in 27.5-46.3% patients post-operatively. A pitch ranking test revealed that place pitches were generally ordered from apical to basal electrodes. The recognitions of the perceptions of 301 disyllabic words, environment sounds, disyllabic words, and numerals were significantly better than the pre-operative performance and reached plateaus.
journal_name
Acta Otolaryngoljournal_title
Acta oto-laryngologicaauthors
Gao N,Xu XD,Chi FL,Zeng FG,Fu QJ,Jia XH,Yin YB,Ping LC,Kang HY,Feng HH,Wu YZ,Jiang Ydoi
10.3109/00016489.2015.1086022subject
Has Abstractpub_date
2016-01-01 00:00:00pages
68-77issue
1eissn
0001-6489issn
1651-2251journal_volume
136pub_type
杂志文章abstract:CONCLUSIONS:These findings are in line with previous data on the horizontal vestibulo-ocular reflex (VOR) from this laboratory and suggest that eye position signals do not modulate natural vestibular responses. Hence, the Alexander's law (AL) phenomenon cannot be interpreted simply as a consequence of vestibular or ocu...
journal_title:Acta oto-laryngologica
pub_type: 杂志文章
doi:10.3109/00016489.2012.682120
更新日期:2012-10-01 00:00:00
abstract::Background: In clinical experience patients who do not frequently check the cochlear implant (CI) maps have poor auditory performance and poor acceptance of map variations over time.Aims: The aim of the present study was to evaluate the effect of CI map optimization on both speech perception and subjective hearing in ...
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journal_title:Acta oto-laryngologica
pub_type: 杂志文章
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journal_title:Acta oto-laryngologica
pub_type: 杂志文章
doi:10.3109/00016489409126023
更新日期:1994-01-01 00:00:00
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pub_type: 杂志文章,多中心研究
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pub_type: 临床试验,杂志文章
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更新日期:2012-08-01 00:00:00
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