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  1. 260 大学院医歯学総合研究科(歯)
  2. 60 博士学位論文
  3. 10 博士学位論文
  1. 0 資料タイプ別
  2. 02 学位論文

Modulation of excitability of trigeminal neurons during electrical stimulation of the superior laryngeal nerve in anesthetized rabbits

http://hdl.handle.net/10191/42120
http://hdl.handle.net/10191/42120
4d7a0adb-fd34-43c7-b997-3b9c155482d2
名前 / ファイル ライセンス アクション
h27ndk351.pdf 本文 (433.0 kB)
h27ndk351_a.pdf 要旨 (265.0 kB)
Item type 学位論文 / Thesis or Dissertation(1)
公開日 2016-06-16
タイトル
言語 en
タイトル Modulation of excitability of trigeminal neurons during electrical stimulation of the superior laryngeal nerve in anesthetized rabbits
言語
言語 eng
キーワード
主題Scheme Other
主題 trigeminal interneuron
キーワード
主題Scheme Other
主題 swallow
キーワード
主題Scheme Other
主題 superior laryngeal nerve
資源タイプ
資源 http://purl.org/coar/resource_type/c_46ec
タイプ thesis
その他のタイトル
その他のタイトル 麻酔下ウサギにおける上喉頭神経刺激時三叉神経ニューロンの興奮性変調
著者 酒井, 翔悟

× 酒井, 翔悟

WEKO 50850

ja 酒井, 翔悟

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抄録
内容記述タイプ Abstract
内容記述 The present study investigated the effect of electrical stimulation of the superior laryngeal nerve (SLN) on evoked potentials from trigeminal interneurons. Experiments were carried out on 19 rabbits anesthetized with urethane. Single-unit responses evoked by electrical stimulation of the inferior alveolar nerve were recorded in the trigeminal nucleus. To evoke swallowing reflex, the SLN was electrically stimulated (train pulses; 0.2 ms, 30 Hz). Current intensity of SLN stimulation was set at 2, 4, or 8 times the threshold for evoking swallowing reflex at least once for 10 s. Initiation and change in latency were compared among the periods (before, during, and after SLN stimulation) or among stimulus intensities. Inhibition of evoked responses and delay in latency was observed in 15 of 27 identified neurons (55.6%) and 26/27 (96.3%) neurons, respectively, either during or after SLN stimulation. The rate of inhibition of evoked responses was significantly different among SLN stimulus intensities. Modulated neurons were divided into two groups based on latency, short (< 3 ms) or long (>= 3 ms). Longer latencies resulted in longer delays. Eighteen neurons (66.7%) were found to project to the digastric motor nucleus. Most neurons were distributed in the main sensory trigeminal nucleus or subnucleus-γ of the oral nucleus of the spinal trigeminal tract. These results suggest that sensory information originating from the orofacial region, possibly related to the jaw reflex, was inhibited during or after SLN stimulation possibly by input from the swallowing central pattern generator.
内容記述
内容記述タイプ Other
内容記述 学位の種類: 博士(歯学). 報告番号: 甲第4153号. 学位記番号: 新大院博(歯)甲第351号. 学位授与年月日: 平成28年3月23日
書誌情報
発行日 2016-03-23
出版者
出版者 新潟大学
著者版フラグ
値 ETD
学位名
学位名 博士(歯学)
学位授与機関
学位授与機関名 新潟大学
学位授与年月日
学位授与年月日 2016-03-23
学位授与番号
学位授与番号 13101甲第4153号
学位記番号
内容記述タイプ Other
内容記述 新大院博(歯)甲第351号
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