Study on auditory fusion and separation in patients using hearing aid and cochlear implant
| Project/Area Number |
25462658
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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 |
Otorhinolaryngology
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| Research Institution | 独立行政法人国立病院機構(東京医療センター臨床研究センター) |
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Principal Investigator |
KAGA Kimitaka 独立行政法人国立病院機構(東京医療センター臨床研究センター), 臨床研究センター(政策医療企画研究部), 名誉臨床研究センター長 (80082238)
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| Co-Investigator(Renkei-kenkyūsha) |
SAKATA Hideaki 独立行政法人国立病院機構東京医療センター, 臨床研究センター, 研究員(医師) (40235156)
SHIROMA Masae 国際医療福祉大学, 保健学部, 教授 (80285981)
KANDA Yukihiko 長崎大学, 医学部, 非常勤講師 (20264244)
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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| Keywords | 人工内耳 / 補聴器 / 方向感検査 / 両耳時間差 / 両耳音圧差 / バイモダル / バイオーラル / 両耳分離能 |
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| Outline of Final Research Achievements |
1. Study on bimodal fitting of hearing aid and cochlear implant. Auditory fusion was investigated by binaural lateralization test. Interaural intensity difference was well preserved but interaural time difference was not preserved at all. Auditory separation was three digits and demonstrated well to hear separately.
2. Study on bilateral fitting of cochlear implants. Auditory fusion was investigated by binaural lateralization test. Interaural intensity difference was preserved but interaural time difference was not preserved at all. The auditory separation was investigated as well and demonstrated to be possible but the performance was variable. Binaural fusion and separation is possible in patients with bimodal and binaural condition.
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Report
(3 results)
Research Products
(16 results)
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[Journal Article] Auditory brainstem implantation improves speech recognition in neurofibromatosis Type II patients.2013
Author(s)
Matthies C, Brill S, Kaga K, Morita A, Kumakawa K, Skarzynski H, Claassen A, Hui Y, Chiong C, Mullar J, Behr R
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Journal Title
Journal for Oto-Rhino-Laryngology, Head and Neck Surgery
Volume: 75
Pages: 282-295
Related Report
Peer Reviewed
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