| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○招待 (推奨): |
| ○審査 (推奨): | □ | Peer Review
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| ○カテゴリ (推奨): | □ | 研究
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| ○共著種別 (推奨): | □ | 国内共著 (徳島大学内研究者と国内(学外)研究者との共同研究 (国外研究者を含まない))
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| ○学究種別 (推奨): |
| ○組織 (推奨): |
| ○著者 (必須): | 1. | 吉村 弘
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| 2. | (英) Tokio Sugai (日) (読)
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| 3. | (英) Nobuo Kato (日) (読)
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| 4. | (英) Takashi Tominaga (日) (読)
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| 5. | (英) Yoko Tominaga (日) (読)
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| 6. | 長谷川 敬展 ([徳島大学.大学院医歯薬学研究部.歯学域.口腔科学部門.基礎歯学系.口腔生理学])
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| 7. | 姚 陳娟 ([徳島大学.大学院医歯薬学研究部.歯学域.口腔科学部門.基礎歯学系.口腔生理学])
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| 8. | 赤松 徹也 ([徳島大学.大学院社会産業理工学研究部.生物資源産業学域.応用生命系.生体分子機能学分野]/[徳島大学.大学院社会産業理工学研究部.生物資源産業学域.食料科学系])
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| ○題名 (必須): | □ | (英) Interplay between non-NMDA and NMDA receptor activation during oscillatory wave propagation: Analyses of caffeine-induced oscillations in the visual cortex of rats (日)
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| ○要約 (任意): | □ | (英) Generation and propagation of oscillatory activities in cortical networks are important features of the brain. However, many issues related to oscillatory phenomena are unclear. We previously reported neocortical oscillation following caffeine treatment of rat brain slices. Input to the primary visual cortex (Oc1) generates N-methyl-d-aspartate (NMDA) receptor-dependent oscillations, and we proposed that the oscillatory signals originate in the secondary visual cortex (Oc2). Because non-NMDA and NMDA receptors cooperate in synaptic transmission, non-NMDA receptors may also play an important role in oscillatory activities. Here we investigated how non-NMDA receptor activities contribute to NMDA receptor-dependent oscillations by using optical recording methods. After induction of stable oscillations with caffeine application, blockade of NMDA receptors abolished the late stable oscillatory phase, but elicited 'hidden' non-NMDA receptor-dependent oscillation during the early depolarizing phase. An interesting finding is that the origin of the non-NMDA receptor-dependent oscillation moved from the Oc1, during the early phase, toward the origin of the NMDA receptor-dependent oscillation that is fixed in the Oc2. In addition, the frequency of the non-NMDA receptor-dependent oscillation was higher than that of the NMDA receptor-dependent oscillation. Thus, in one course of spatiotemporal oscillatory activities, the relative balance in receptor activities between non-NMDA and NMDA receptors gradually changes, and this may be due to the different kinetics of the two receptor types. These results suggest that interplay between the two receptor types in the areas of Oc1 and Oc2 may play an important role in oscillatory signal communication. (日)
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| ○キーワード (推奨): | 1. | (英) neural oscillation (日) (読)
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| 2. | (英) non-NMDA receptor (日) (読)
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| 3. | NMDA受容体 (NMDA-receptors)
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| 4. | (英) caffeine (日) (読)
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| 5. | ラット (rat)
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| ○発行所 (推奨): | □ | Elsevier Science B.V.
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| ○誌名 (必須): | □ | Neural Networks ([International Neural Network Society]/[European Neural Network Society]/日本神経回路学会)
(pISSN: 0893-6080, eISSN: 1879-2782)
| ○ISSN (任意): | □ | 1879-2782
ISSN: 0893-6080
(pISSN: 0893-6080, eISSN: 1879-2782) Title: Neural networks : the official journal of the International Neural Network SocietyTitle(ISO): Neural NetwPublisher: Elsevier Ltd (NLM Catalog)
(Scopus)
(CrossRef)
(Scopus information is found. [need login]) | [継承] |
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| ○巻 (必須): | □ | 79
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| ○号 (必須): | □ |
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| ○頁 (必須): | □ | 141 149
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| ○都市 (任意): |
| ○年月日 (必須): | □ | 西暦 2016年 7月 初日 (平成 28年 7月 初日)
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| ○URL (任意): |
| ○DOI (任意): | □ | 10.1016/j.neunet.2016.03.012 (→Scopusで検索)
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| ○PMID (任意): | □ | 27136667 (→Scopusで検索)
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| ○備考 (任意): | 1. | (英) Article.ELocationID: 10.1016/j.neunet.2016.03.012 (日)
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| 2. | (英) Article.ELocationID: S0893-6080(16)30017-X (日)
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| 3. | (英) Article.PublicationTypeList.PublicationType: Journal Article (日)
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| 4. | (英) KeywordList.Keyword: NMDA receptor (日)
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| 5. | (英) KeywordList.Keyword: Non-NMDA receptor (日)
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| 6. | (英) KeywordList.Keyword: Optical recording (日)
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| 7. | (英) KeywordList.Keyword: Oscillation (日)
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| 8. | (英) KeywordList.Keyword: Rat (日)
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| 9. | (英) KeywordList.Keyword: Visual cortex (日)
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