An optimal determination of electric stimulating waveform for cochlear implant devices
| Project/Area Number |
15K01397
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Rehabilitation science/Welfare engineering
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| Research Institution | Kanto Gakuin University |
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Principal Investigator |
Mino Hiroyuki 関東学院大学, 理工学部, 教授 (50190715)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2015: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
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| Keywords | 聴覚神経補綴 / 不規則点過程 / 聴神経線維モデル / 計算機シミュレーション / 最大尤度推定 / von Mises分布 / 電気刺激 / スパイク応答列 / パルス状電気刺激 |
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| Outline of Final Research Achievements |
In the present project, it is investigated whether or not the spike trains in response to acoustic stimuli of inner hair cells or electric stimuli of sinusoidally amplitude-modulated pulsatile waveform can be represented by a self-exciting point process (SEPP) of the von Mises type through computer simulations using physiologically realistic auditory nerve fiber model. The uniform-scores test was carried out to assess the validity of determining an electric stimulating waveform in terms of matching period histograms of acoustic and electric stimuli via the von Mises parameters of SEPPs. It is concluded that the electric stimulating waveform designed on the basis of the present project may play a key role in improving the performance of cochlear implant devices.
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Report
(4 results)
Research Products
(17 results)
